Pacific Island Ecosystems at Risk (PIER)

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Oxalis corniculata
L., Oxalidaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Oxalis repens Thunb.

Common name(s): [more details]

Bikol: daraisig

Bontoc: kanapa, salamagi

Chamorro: agsom, apsom

Chinese: cu jiang cao

English: clover sorrel, creeping lady's-sorrel, creeping oxalis, creeping wood sorrel, creeping yellow oxalis, procumbent yellow sorrel, sheep sorrel, sour grass, wood sorrel, yellow wood sorrel

Fijian: matakonikoni, matakorukoru, rongomi, totowiwi

French: oseille filante, petit trèfle, petite oseille, pied de pigeon, trèfle jaune

Hawaiian: ‘ihi ‘ai, ‘ihi ‘awa, ‘ihi maka ‘ula, ‘ihi mākole

Ibatan: pikhik

Iloko: marasiksik

Japanese: katabami

Mangarevan: tuara

Maori (Cook Islands): kavakava, kōki‘i, kōki‘i, kōki‘i, kōkī‘i, kōki‘i, kōki‘i, kōki‘i, kōki‘i kura

Marquesan: pakihi

Niuean: kihikihi

Palauan: omis

Pampangan: malabalug-dagis

Samoan: a‘aa‘a, a‘aa‘a, ‘i‘i, ‘i‘i

Spanish: acedera, acederilla, agrito, chulco, hierba de la perdiz, trébol, vinagrillo

Tagalog: taingang-daga

Tahitian: ‘ava‘ava, pa‘ihi, pa‘i‘i, patoa ‘ava‘ava

Tongan: kihikihi

Yapese: gougus

Habit:  herb

Description:  "A caespitose or creeping herb, with stems rarely exceeding 50 cm in length, usually rooting at nodes and ascending toward apices, variably pilose on stems, petioles, and leaflet blades; stipules usually present but inconspicuous, to 3 mm long; indument composed of eseptate hairs (sometimes hairs of capsules septate); petioles 1-6 cm long, the leaflets subsessile and subequal, the blades obcordate, 4-20 mm long and broad, incised 1/4 - 1/2 their length, the sinus acute to obtuse, the lobes usually rounded; inflorescences 1-6-flowered, usually 2-7 cm long, the bracts and bracteoles deltoid-linear, 0.5-3 mm long, the pedicels 4-15 mm long, with eseptate hairs; sepals lanceolate to narrowly ovate, 2.5-6 mm long; petals yellow, oblong subspathulate, somewhat larger than sepals; capsules subcylindric, acute, 5-20 x 2-4 mm, sometimes with septate hairs, with 5-10 seeds per locule."  (Smith, 1985; pp. 625-626).

Key to varieties (Smith, 1985; pp. 625-626):

"Plants comparatively large, with prostrate or repent stems up to 50 cm long; stems, stipules, and leaves green; capsule retrorse-pubescent.
    Var. corniculata:  Leaflet blades glabrous or sometimes sparsely pubescent on both surfaces, the upper surface more sparsely pilose than the lower.
    Var. villosa:  Leaflet blades copiously pilose on both surfaces.
Plants smaller, less inclined to sprawl; stems, stipules, and leaves purplish; capsule slightly pubescent to glabrous: var. atropurpurea."

Habitat/ecology:  "A cosmopolitan weed of the tropical and temperate zones.  It is at home in gardens, lawns, arable land, and pastures.  It is frequently found also on channel banks and in shady places.  It prostrate habit helps protect it from being mowed in lawns" (Holm et al., 1977; p. 345).

In Hawai‘i, "occurring in open, disturbed sites in coastal to subalpine habitats, 0-2,300 m" (Wagner et al., 1999; p. 1002). In Fiji, "occurs at elevations from near sea level to about 750 m as a common weedy plant along roads and trails, in moist places, pastures, waste places, plantations, and in villages (Smith, 1985; pp. 625-626). Moist uplands in the Galápagos Islands (McMullen, 1999; p. 209). In New Guinea, "a plant of grassland, broken forest, rock faces, and a weed of gardens, roadsides and waste land. From near sea level to at least 2800 m" (Henty & Pritchard, 1975; p. 131). In Tonga, "a common plantation and waste-area weed" (Yuncker, 1959; p. 151).

Propagation:  Seed and rooting from nodes. "Spread is mainly due to high production of fertile seed. An elastic jacket or aril surrounds the small brown seeds and this serves to eject them from the capsule. Its presence on all continent and many islands indicates that its seeds are carried by birds" (Holm et al., 1977; pp. 343, 345).

Native range:  Cosmopolitan, origin uncertain (Smith, 1985; pp. 625-626).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
American Samoa
Manu‘a Islands
Ofu Island introduced
abo. intro.
Whistler, W. A. (1990) (p. 8)
Voucher cited: Yuncker 9482
American Samoa
Manu‘a Islands
Ofu Island   Yuncker, T. G. (1945) (p. 43)
Voucher cited: Yuncker 9482 (BISH)
American Samoa
Manu‘a Islands
Olosega Island introduced
abo. intro.
Whistler, W. A. (1990) (p. 8)
Voucher cited: Garber 1082
American Samoa
Manu‘a Islands
Olosega Island   Yuncker, T. G. (1945) (p. 43)
Voucher cited: Garber 1082 (BISH)
American Samoa
Manu‘a Islands
Ta‘u Island introduced
abo. intro.
Whistler, W. A. (1990) (p. 8)
Vouchers cited: Harris 34, Harris 82
American Samoa
Manu‘a Islands
Ta‘u Island   Yuncker, T. G. (1945) (p. 43)
Vouchers cited: W. Harris 82 (BISH), W. Harris 34 (BISH)
American Samoa
Manu‘a Islands
Ta‘u Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1990) (voucher ID: PTBG 9111)
Taxon name on voucher: Oxalis corniculata
American Samoa
Tutuila Islands
Tutuila Island   Anon. (1988) (p. 2)
American Samoa
Tutuila Islands
Tutuila Island introduced
invasive
Setchell, William Albert (1924) (p. 88)
As Oxalis repens Thunb.
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island native
Orchard, Anthony E., ed. (1994) (p. 20)
"This is a cosmopolitan species of uncertain origin, usually found in disturbed ground". Vouchers cited: P.S. Green 1559 (A, K), M.M.J. van Balgooy 1054 (K, NSW), G. Uhe 1267 (K)
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island native
Orchard, Anthony E., ed. (1994) (p. 10)
"This is a cosmopolitan species of uncertain origin, usually found in disturbed ground". Vouchers cited: W.R. Sykes NI 520 (CHR), J.D. McComish 122A (K), R.D. Hoogland 11330 (NSW)
Chile (offshore islands)
Rapa Nui (Easter) Island
Rapa Nui (Easter) Island (Isla de Pasqua) introduced
invasive
Meyer, Jean-Yves (2008) (p. 29)
Chile (offshore islands)
Rapa Nui (Easter) Island
Rapa Nui (Easter) Island (Isla de Pasqua) introduced
Skottsberg, Carl (1953) (p. 81)
Dispersed over the entire island in stony places.
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
Skottsberg, Carl (1953) (p. 220)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
Skottsberg, Carl (1953) (p. 220)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Agrigan (Agrihan) Island   Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Alamagan Island introduced
Ohba, T. (1994) (p. 59)
Voucher cited: CBM-BS-58856
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Anatahan Island   Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Maug Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Maug Island introduced
invasive
Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 29)
Voucher cited: Falanruw 2224 (US)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Pagan Island native
Raulerson, L. (2006) (p. 39)
Var. villosa (Bieb.) Hohen.
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Rota Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Var. villosa (Bieb.) Hohen.
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Saipan Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Sarigan Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Sarigan Island introduced
invasive
Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 29)
Voucher cited: Evans 2387 (US)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Tinian Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Cook Islands
Southern Cook Islands
Aitutaki Atoll introduced
invasive
abo. intro.
McCormack, Gerald (2013)
Naturalized
Cook Islands
Southern Cook Islands
‘Atiu Island introduced
invasive
abo. intro.
McCormack, Gerald (2013)
Naturalized
Cook Islands
Southern Cook Islands
Mangaia Island introduced
invasive
abo. intro.
McCormack, Gerald (2013)
Naturalized
Cook Islands
Southern Cook Islands
Ma‘uke Island introduced
invasive
abo. intro.
McCormack, Gerald (2013)
Naturalized
Cook Islands
Southern Cook Islands
Miti‘aro Island introduced
invasive
abo. intro.
McCormack, Gerald (2013)
Naturalized
Cook Islands
Southern Cook Islands
Rarotonga Island introduced
invasive
abo. intro.
McCormack, Gerald (2013)
Naturalized
Ecuador (Galápagos Islands)
Floreana Group
Floreana Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Isabela Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Volcán Alcedo, Isabela Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Volcán Sierra Negra, Isabela Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
San Cristóbal Group
San Cristóbal Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santiago Group
Santiago Island introduced
invasive
Charles Darwin Foundation (2008)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island   Glassman, S. F. (1952) (p. 57)
Voucher cited: Glassman 2840 (US)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island introduced
invasive
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 120)
Voucher cited: S.F. Glassman 2840 (BISH)
Naturalized
Federated States of Micronesia
Yap Islands
Fais Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Federated States of Micronesia
Yap Islands
Fais Island introduced
invasive
Fosberg, F. R./Evans, M. (1969) (p. 8)
Voucher cited: Fosberg 46669 (US)
Federated States of Micronesia
Yap Islands
Yap (Waqab) Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Fiji
Fiji Islands
Lakemba Island introduced
invasive
abo. intro.
Smith, Albert C. (1985) (pp. 625-626)
Voucher cited: Garnock-Jones 898
Fiji
Fiji Islands
Mothe Island introduced
invasive
abo. intro.
Smith, Albert C. (1985) (pp. 625-626)
Voucher cited: Bryan 477
Fiji
Fiji Islands
Nairai Island introduced
invasive
abo. intro.
Smith, Albert C. (1985) (pp. 625-626)
Vouchers cited: Milne 160, Milne 209
Fiji
Fiji Islands
Taveuni Island introduced
invasive
abo. intro.
Smith, Albert C. (1985) (pp. 625-626)
Voucher cited: DA 5741
Fiji
Fiji Islands
Vanua Levu Island introduced
invasive
abo. intro.
Smith, Albert C. (1985) (pp. 625-626)
Voucher cited: Smith 6663
Fiji
Fiji Islands
Viti Levu Island introduced
invasive
abo. intro.
Smith, Albert C. (1985) (pp. 625-626)
Vouchers cited: Smith 4326 (var. villosa), Gillespie 4161.1 (var. villosa), DA 10831, Smith 8813, Greenwood 764, DA 9577, DA 11106, DA 7545, Smith 7087, DA 7416
French Polynesia
Gambier Islands
Makaroa Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Gambier Islands
Mangareva (Gambier) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: B. Huguenin s.n. (PAP)
Adventice
French Polynesia
Gambier Islands
Mangareva (Gambier) Island introduced
St. John, Harold (1988) (p. 16)
Vouchers cited: Agassiz 102 (GH), Fosberg 11064 (BISH)
French Polynesia
Marquesas Islands
Eiao Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence & M. Teikiteetini 9362 (PAP)
Adventice
French Polynesia
Marquesas Islands
Fatu Hiva Island introduced
invasive
Lorence, David H./Wagner, Warren L. (2013)
French Polynesia
Marquesas Islands
Fatu Hiva Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence 7374 (PAP)
Adventice
French Polynesia
Marquesas Islands
Hiva Oa Island introduced
invasive
Lorence, David H./Wagner, Warren L. (2013)
French Polynesia
Marquesas Islands
Hiva Oa Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Marquesas Islands
Mohotani (Mohotane, Mohotane) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Marquesas Islands
Nuku Hiva (Nukahiva) Island introduced
invasive
Lorence, David H./Wagner, Warren L. (2013)
French Polynesia
Marquesas Islands
Nuku Hiva (Nukahiva) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Marquesas Islands
Tahuata (Tuhuata) Island introduced
invasive
Lorence, David H./Wagner, Warren L. (2013)
French Polynesia
Marquesas Islands
Tahuata (Tuhuata) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Marquesas Islands
Ua Huka (Huahuna, Uahuka) Island introduced
invasive
Lorence, David H./Wagner, Warren L. (2013)
French Polynesia
Marquesas Islands
Ua Huka (Huahuna, Uahuka) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Marquesas Islands
Ua Huka (Huahuna, Uahuka) Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2003) (voucher ID: PTBG 41001)
Taxon name on voucher: Oxalis corniculata
French Polynesia
Marquesas Islands
Ua Huka (Huahuna, Uahuka) Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2003) (voucher ID: PTBG 41092)
Taxon name on voucher: Oxalis corniculata
French Polynesia
Marquesas Islands
Ua Pou (Huapu, Uapou, Uapu) Island introduced
invasive
Lorence, David H./Wagner, Warren L. (2013)
French Polynesia
Society Islands
Huahine Island   Fosberg, F. R. (1997) (p. 91)
French Polynesia
Society Islands
Maupiti (Maurua) Island introduced
invasive
cultivated
Welsh, S. L. (1998) (p. 211)
Voucher cited: Fosberg 60951
French Polynesia
Society Islands
Maupiti (Maurua) Island introduced
invasive
Fosberg, F. R./Sachet, M.-H. (1987) (p. 39)
Voucher cited: Fosberg 60951 (US)
French Polynesia
Society Islands
Mehetia (Mahetia, Meetia) Island introduced
invasive
cultivated
Welsh, S. L. (1998) (p. 211)
Voucher cited: Gagne 1617
French Polynesia
Society Islands
Mehetia (Mahetia, Meetia) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: J. Florence 10256 (PAP), J. Florence 10289 (PAP), J. Florence 10326 (PAP)
Adventice
French Polynesia
Society Islands
Moorea Island introduced
invasive
cultivated
Welsh, S. L. (1998) (p. 211)
Voucher cited: C. Cartier 134
French Polynesia
Society Islands
Moorea Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: C.L. Cartier 134 (PAP), J. Florence 2191 (PAP)
Adventice
French Polynesia
Society Islands
Raiatea (Havai) Island introduced
invasive
cultivated
Welsh, S. L. (1998) (p. 211)
Vouchers cited: Moore 52, BRY 26574a
French Polynesia
Society Islands
Taha‘a Island introduced
invasive
cultivated
Welsh, S. L. (1998) (p. 211)
Voucher cited: BRY 26523
French Polynesia
Society Islands
Tahiti Island introduced
invasive
cultivated
Welsh, S. L. (1998) (p. 211)
Vouchers cited: Setchell & Parks 134, BRY 25960
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: J. Florence 4475 (PAP), F.R. Fosberg 62724 (PAP)
Adventice
French Polynesia
Tuamotu Archipelago
Makatea (Ma‘atea) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence 9029 (PAP)
Adventice
French Polynesia
Tuamotu Archipelago
Takapoto Atoll introduced
invasive
Sachet, M-H. (1983) (p. 24)
Voucher cited: Sachet 2045 (US)
French Polynesia
Austral (Tubuai) Islands
Raivavae (Raevavae) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: J. Florence 5740 (PAP), J. Florence & W.R. Sykes 11380 (PAP)
Adventice
French Polynesia
Austral (Tubuai) Islands
Rapa Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: J. Florence 6566 (PAP), A. Varney 9 (PAP)
Adventice
French Polynesia
Austral (Tubuai) Islands
Rimatara (Rimitara) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Austral (Tubuai) Islands
Rurutu Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: J. Florence 5521 (PAP), J. Florence 9242 (PAP)
Adventice
French Polynesia
Austral (Tubuai) Islands
Tubuai Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
Guam
Guam Island
Guam Island native
Stone, Benjamin C. (1970) (p. 348)
Voucher cited: Stone 4732 (GUAM)
Guam
Guam Island
Guam Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Also var. villosa (Bieb.) Hohen.
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island uncertain if native
invasive
abo. intro.
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
State of Hawaii
Hawaiian Islands
Kaho‘olawe Island uncertain if native
invasive
abo. intro.
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
State of Hawaii
Hawaiian Islands
Kaua‘i Island uncertain if native
invasive
abo. intro.
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
State of Hawaii
Hawaiian Islands
Kure Atoll introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd L. (2003) (p. 29)
Voucher cited: Starr & Martz 010522-8 (BISH)
State of Hawaii
Hawaiian Islands
Kure Atoll introduced
invasive
Starr, Forest/Martz, Kim/Loope, Lloyd (2001) (p. 15)
Voucher cited: Starr & Martz 010522-8 (BISH). Occasional near quarters.
State of Hawaii
Hawaiian Islands
Lāna‘i Island uncertain if native
invasive
abo. intro.
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
State of Hawaii
Hawaiian Islands
Ni‘ihau, Lehua Islet native
invasive
abo. intro.
Wood, K. R./LeGrande, Maya (2006) (pp. 24-25)
Voucher cited: Flynn et al. 4866 (PTBG, US)
State of Hawaii
Hawaiian Islands
Maui Island uncertain if native
invasive
abo. intro.
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
State of Hawaii
Hawaiian Islands
Moloka‘i Island uncertain if native
invasive
abo. intro.
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
State of Hawaii
Hawaiian Islands
Ni‘ihau Island uncertain if native
invasive
abo. intro.
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
State of Hawaii
Hawaiian Islands
O‘ahu Island uncertain if native
invasive
abo. intro.
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
Japan (offshore islands)
Ogasawara (Bonin) Islands
Bonin (Ogasawara) Islands   Kato, Hidetoshi (2007)
Also var. trichocaulon H.Lév.
Kiribati
Kiribati
Kiribati (Republic of) native
Fosberg, F. R./Sachet, M.-H. (1987) (p. 17)
Marshall Islands
Ratak Chain
Majuro (Mãjro) Atoll introduced
invasive
Vander Velde, Nancy (2003) (p. 114)
Nauru
Nauru Island
Nauru Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Nauru
Nauru Island
Nauru Island introduced
invasive
Thaman, R. R./Fosberg, F. R./Manner, H. I./Hassall, D. C. (1994) (p. 179)
Voucher cited: Hassall 163 (SUVA)
New Caledonia
Îles Loyauté (Loyalte Islands)
Île Walpole native
Renevier, Alain/Cherrier, Jean-Francois (1991) (p. 18)
Voucher cited: Cherrier in MacKee 44052
New Caledonia
New Caledonia
New Caledonia Islands   Swarbrick, John T. (1997) (p. 95)
New Zealand (offshore islands)
Kermadec Islands
Kermadec Islands introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 917)
"Mostly in and around settlements, waste places, roadsides, plantations and gardens, cultivated ground".
New Zealand (offshore islands)
Kermadec Islands
Raoul Island introduced
invasive
Sykes, W. R. (1977) (pp. 122-123)
Possible aboriginal introduction.
New Zealand (offshore islands)
Kermadec Islands
Raoul Island introduced
invasive
Sykes, W. R./West, C. J. (1996) (pp. 450-451)
Oxalis thompsoniae B.J. Conn & P.G. Richards
Niue
Niue
Niue Island introduced
Sykes, W. R. (1970) (p. 143)
Vouchers cited: CHR 168721 (var. corniculata); CHR 168720, CHR 168722 (var. repens cv. Atropurpurea)
Niue
Niue
Niue Island introduced
invasive
abo. intro.
Whistler, W. A. (1988) (p. 31)
Niue
Niue
Niue Island introduced
invasive
abo. intro.
Whistler, W. A./Atherton, J. (1997) (p. 41)
Niue
Niue
Niue Island introduced
invasive
Yuncker, T. G. (1943) (p. 66)
Var. repens. Voucher cited: Yuncker 9925 (BISH)
"Occasional roadside and plantation weed".
Niue
Niue
Niue Island introduced
invasive
abo. intro.
Space, James C./Waterhouse, Barbara M./Newfield, Melanie/Bull, Cate (2004) (p. 50)
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 121)
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island   Beleu National Museum (Republic of Palau. Koror.) (1968) (voucher ID: BNM 598)
Taxon name on voucher: Oxalis corniculata L.
Papua New Guinea
Bismarck Archipelago
Bismarck Archipelago   Peekel, P. G. [translated by E. E. Henty] (1984) (p. 265)
Common in lawns, grassland and enclosures.
Papua New Guinea
Bougainville Islands
Bougainville Island   Foreman, D. B. (1971) (p. 52)
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) invasive
Henty, E. E./Pritchard, G. H. (1975) (p. 131)
From near sea level to at least 2800 m.
Philippines
Philippine Islands
Philippine Islands introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
Philippines
Philippine Islands
Philippine Islands   Merrill, Elmer D. (1923) (p. 323)
as Oxalis repens Thunb. In waste places, open grasslands, etc., sea level to an altitude of 2,200 m.
Pitcairn Islands
Pitcairn Islands
Pitcairn Island introduced
St. John, H. (1987) (p. 37)
Vouchers cited: R. A. Young 14, Ross 34, Foberg & B. Christian 11233
Pitcairn Islands
Pitcairn Islands
Pitcairn Island introduced
Fosberg, F. R./Paulay, Gustav/Spencer, T./Oliver, Royce (1989) (p. 13)
Voucher cited: Paulay, Spencer & Schuster 696 (US)
Pitcairn Islands
Pitcairn Islands
Pitcairn Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence 10811 (PAP)
Adventice
Samoa
Western Samoa Islands
Western Samoa Islands abo. intro.
Whistler, W. A. (1988) (p. 31)
Solomon Islands
Solomon Islands
Solomon Islands   Swarbrick, John T. (1997) (p. 95)
Solomon Islands
Solomon Islands
Solomon Islands native
Hancock, I. R./Henderson, C. P. (1988) (p. 95)
Tonga
Tonga Islands
Tonga Islands   Yuncker, T. G. (1959) (p. 151)
"Throughout Tonga".
Tonga
Tongatapu Group
‘Eua Island   Whistler, W. A. (1992) (p. 54)
Voucher cited: Soakai 988 (EI)
Tonga
Tongatapu Group
‘Eua Island   Yuncker, T. G. (1959) (p. 151)
Vouchers cited: Hürlimann 201, Yuncker 15647
Tonga
Tongatapu Group
Tongatapu Island   Whistler, W. A. (1992) (p. 54)
Vouchers cited: Lawrence 10, Lawrence 15, Soakai 163
Tonga
Tongatapu Group
Tongatapu Island   Yuncker, T. G. (1959) (p. 151)
Vouchers cited: Hürlimann 15, Yuncker 15051
Tonga
Tongatapu Group
Tongatapu Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1989) (voucher ID: PTBG 3860)
Taxon name on voucher: Oxalis corniculata
Tonga
Vava‘u Group
Vava‘u Island   Whistler, W. A. (1992) (p. 54)
Voucher cited: Soakai 1011
United States (other Pacific offshore islands)
Midway Atoll
Midway Atoll introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1002-1003)
United States (other Pacific offshore islands)
Midway Atoll
Sand Island introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd (2008) (pp. B-11)
Vanuatu
New Hebrides Islands
Vanuatu (Republic of)   Swarbrick, John T. (1997) (p. 95)
Wallis and Futuna
Wallis and Futuna (Horne) Islands
Wallis and Futuna Islands   Waterhouse, D. F. (1997) (p. 63)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
Australia (continental)   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 259)
Australia
Australia (continental)
Queensland introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
Cambodia
Cambodia
Cambodia (Kingdom of) introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 345)
Chile (continental)
Chile
Chile (Republic of)   Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
China
China
China (People's Republic of) introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
China
China
Hong Kong native
Wu, Te-lin (2001) (p. 202)
In wasteland or along roadside.
Colombia
Colombia
Colombia (Republic of)   Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
Costa Rica
Costa Rica
Costa Rica (Republic of)   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 259)
El Salvador
El Salvador
El Salvador (Republic of)   Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 345)
Guatemala
Guatemala
Guatemala (Republic of)   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 259)
Indonesia
Indonesia
Indonesia (Republic of) introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
Japan
Japan
Japan (country) introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
South Korea
South Korea
South Korea (Republic of) introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
Malaysia
Malaysia
Malaysia (country of) introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
Mexico
Mexico
Mexico (United Mexican States)   Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 917)
"Mostly in and around settlements, waste places, roadsides, plantations and gardens, cultivated ground".
Perú
Perú
Perú (Republic of)   Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 347)
Singapore
Singapore
Singapore (Republic of) introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 65)
Naturalised
Taiwan
Taiwan Island
Taiwan Island introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (pp. 346-347)
Taiwan
Taiwan Island
Taiwan Island   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 259)
Thailand
Thailand
Thailand (Kingdom of) introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 346)
Vietnam
Vietnam
Vietnam (Socialist Republic of) introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (p. 346)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Indian Ocean offshore islands)
Christmas Island Group
Christmas Island introduced
invasive
Swarbrick, J. T. (1997) (p. 122)
La Réunion (France)
La Réunion Island
La Réunion Island introduced
invasive
Comité français de l'Union Internationale pour la Conservation de la Nature en France (2013)
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island introduced
invasive
Holm, Leroy G./Plucknett, D. L./Pancho, J. V./Herberger, J. P. (1977) (pp. 346-347)
French Territory of Mayotte
Mayotte Islands
Mayotte Island introduced
invasive
Comité français de l'Union Internationale pour la Conservation de la Nature en France (2013)
Seychelles
Seychelles Islands
Frégate Island   Robertson, S. A./Todd, D. M. (1983) (p. 56)
Voucher cited: Robertson 2717

Comments:  Likely an early introduction to the Cook Islands, Fiji, Hawai‘i and probably other Pacific Islands but probably a modern introduction to some places (McCormack, 2003; Smith, 1985; Wagner et al., 1999).

Naturalized in fairly undisturbed habitats in the Galápagos Islands.


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This page was created on 23 JUN 2004 and was last updated on 14 JAN 2007.