Pacific Island Ecosystems at Risk (PIER)

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Phyllanthus tenellus
Roxb., Phyllanthaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: long-stalk phyllanthus, Mascarene Island leaf-flower

French: petit tamarin

Habit:  herb

Description:  "Monoecious annual herbs 0.2-0.5 m tall; branching phyllanthoid, the branches 5-15 cm long, with 10-25 leaves.  Leaves broadly elliptic to obovate, (6-) 10-20 (-24) mm long, (4-) 5-9 (-11) mm wide, petioles 0.5-0.8 mm long, stipules lanceolate, 0.7-1.1 mm long.  Flowers in axillary cymes on the branches, lower ones with 2-3 staminate flowers and 1-2 pistillate flowers, those above with solitary pistillate flowers; staminate flowers on pedicels 0.5-1.5 mm long, calyx lobes 5, 0.4-0.7 mm long, nectary disk 5-lobed, stamens 5, filaments distinct; pistillate flowers on capillary pedicel (2.5-) 3-5 (-8) mm long, calyx lobes 5, 0.6-0.8 mm long, reflexed in fruit, nectary disk subentire, styles distinct, bifid.  Capsules depressed-globose, 1.7-1.9 mm in diameter, explosively dehiscent.  Seeds 0.8-0.9 mm long"  (Wagner et al., 1999; p. 628).

Habitat/ecology:  In Hawai‘i, "naturalized in low elevation, disturbed areas such as yards and other urban sites" (Wagner et al., 1999; p. 628).  In French Polynesia, "weedy species of open sites" (Welsh, 1998; p. 112). In New Caledonia, "est une espèce rudérale, vraisemblablement originaire des Iles Mascareignes et introduite il y a une centaine d'années; elle est assez commune à Nouméa et dans certains villages de la côte ouest" (Schmid, 1991; pp. 63-64).

Propagation:  Seed

Native range:  Mascarine Islands (Wagner et al., 1999; p. 628).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
Pickard, J. (1984) (p. 206)
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 19)
"An introduced species, native to Madagascar, now widespread as a weed". Vouchers cited: A.C. Beauglehole 5860 (MEL), A.N. Rodd 1738 (K, NSW)
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 9)
"An introduced species, native to Madagascar, now widespread as a weed". Vouchers cited: P.S. Green 1884 (K), W.R. Sykes NI 184 (CHR), W.R. Sykes NI 589 (CHR), W. Laing(CHR)
Cook Islands
Southern Cook Islands
Mangaia Island   McCormack, Gerald (2013)
Cook Islands
Southern Cook Islands
Rarotonga Island   McCormack, Gerald (2013)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 144)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island introduced
invasive
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 122)
Naturalized
French Polynesia
Gambier Islands
Mangareva (Gambier) Island introduced
invasive
Florence, J. (1997) (pp. 127-129)
French Polynesia
Gambier Islands
Mangareva (Gambier) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Gambier Islands
Taravai Island introduced
invasive
Florence, J. (1997) (pp. 127-129)
French Polynesia
Gambier Islands
Taravai Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Marquesas Islands
Nuku Hiva (Nukahiva) Island introduced
invasive
Florence, J. (1997) (pp. 127-129)
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
Society Islands
Huahine Island introduced
invasive
Florence, J. (1997) (pp. 127-129)
French Polynesia
Society Islands
Huahine Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence & R. Tahuaitu 11680 (PAP)
Adventice
French Polynesia
Society Islands
Huahine Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1992) (voucher ID: PTBG 31087)
Taxon name on voucher: Phyllanthus tenellus Roxb.
French Polynesia
Society Islands
Moorea Island introduced
invasive
Welsh, S. L. (1998) (pp. 112-113)
Voucher cited: C. Cartier 135
French Polynesia
Society Islands
Moorea Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Society Islands
Raiatea (Havai) Island introduced
invasive
Welsh, S. L. (1998) (pp. 112-113)
Vouchers cited: BRY 26413, BRY 26424
French Polynesia
Society Islands
Raiatea (Havai) Island introduced
invasive
Florence, J. (1997) (pp. 127-129)
French Polynesia
Society Islands
Raiatea (Havai) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Society Islands
Taha‘a Island introduced
Fosberg, F. R. (1997) (p. 45)
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Welsh, S. L. (1998) (pp. 112-113)
Vouchers cited: Flornece 2257, Florence 6636, BRY 24819
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Florence, J. (1997) (pp. 127-129)
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Society Islands
Tetiaroa Atoll introduced
invasive
Florence, J. (1997) (pp. 127-129)
French Polynesia
Society Islands
Tetiaroa Atoll introduced
invasive
Sachet, M.-H./Fosberg, F. R. (1983) (p. 45)
Voucher cited: Fosberg 63785 (US)
French Polynesia
Society Islands
Tetiaroa Atoll introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
French Polynesia
Austral (Tubuai) Islands
Raivavae (Raevavae) Island introduced
invasive
Florence, J. (1997) (pp. 127-129)
French Polynesia
Austral (Tubuai) Islands
Raivavae (Raevavae) Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
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. (1997) (pp. 127-129)
French Polynesia
Austral (Tubuai) Islands
Rurutu Island introduced
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: J. Florence 6033 (PAP), J. Florence 9172 (PAP)
Adventice
French Polynesia
Austral (Tubuai) Islands
Tubuai Island introduced
invasive
Florence, J. (1997) (pp. 127-129)
French Polynesia
Austral (Tubuai) Islands
Tubuai Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence & W.R. Sykes 11120 (PAP)
Adventice
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Oppenheimer, Hank L./Bartlett, R. T. (2000) (p. 5)
Voucher cited: Oppenheimer & Meidell H119819 (BISH)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 628)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Oppenheimer, Hank L./Bartlett, Randal T. (2002) (p. 7)
Voucher cited: Oppenheimer H109911 (BISH)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Oppenheimer, Hank L./Meidell, J. Scott/Bartlett, R. T. (1999) (p. 8)
Vouchers cited: Oppenheimer & Duvall H79803 (BISH), Oppenheimer & Bartlett H99802 (BISH)
Widespread
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Oppenheimer, Hank (2007) (p. 23)
Vouchers cited: Oppenheimer, Tangalin & Perlman H5-638 (BISH, PTBG), Oppenheimer H80615 (BISH, PTBG).
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 628)
Voucher cited: Degener & Degener 28248 (BISH)
Japan (offshore islands)
Ogasawara (Bonin) Islands
Bonin (Ogasawara) Islands introduced
Kato, Hidetoshi (2007)
New Caledonia
New Caledonia
New Caledonia Islands   Swarbrick, John T. (1997) (p. 95)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
Tassin, Jacques (2005)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
MacKee, H. S. (1994) (p. 54)
Vouchers cited: Schlechter 15069, Baumann 5199, MacKee 3908, MacKee 40814, Schmid 5457
Vanuatu
New Hebrides Islands
Vanuatu (Republic of)   Swarbrick, John T. (1997) (p. 95)
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. 277)
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 186)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
British Indian Ocean Territory
Chagos Archipelago
Diego Garcia Island introduced
Stoddart, D. R./Taylor, J. D., eds. (1971) (p. 153)
Voucher cited: Wiehe s.n. (MAU)
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 277)


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This page was created on 26 JUL 2002 and was last updated on 21 OCT 2006.