Malva parviflora (PIER species info)

Pacific Island Ecosystems at Risk (PIER)

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Malva parviflora
L., Malvaceae

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Present on Pacific Islands? yes

Primarily a threat at high elevations? no

Common name(s): [more details]

English: cheese weed, cheesewood, Egyptian mallow, little mallow, small-flowered mallow

French: mauve à petites fleurs, mauve d'Egypte

Spanish: malva, malva de campo, malva de castilla, malva de flor chica, quesillo, quesitos

Habit: herb

Description: "Annual or short-lived perennial herbs; branches decumbent to ascending, 0.2-0.5 (-1) m long, glabrate to pubescent. Leaf blades reniform-orbicular, usually 2-8 cm wide, shallowly 3-lobed, 5-lobed, or 7-lobed, margins undulate, crenate. Flowers solitary or few in dense cymes, greatly exceeded by the leaves, pedicels filiform, up to 1 (-2.5) cm long in fruit; involucral bracts filiform to linear, 1-4 mm long; calyx 3-5 mm long, accrescent in fruit, spreading, up to 15 mm in diameter, scarious, veiny; petals lavender blue, scarcely exceeding the calyx. Mericarps 10-11, up to 2.3 mm high and 3 mm wide, with reticulate-rugose walls and acute, slightly winged margins, indehiscent. Seeds ca. 1.8 mm long, glabrous" (Wagner et al., 1999; p. 893).

Habitat/ecology: In Hawai‘i, "naturalized primarily in disturbed area, 0-2,270 m" (Wagner et al., 1999; p. 893). In New Caledonia, "mauvaise herbe peu commune en cultures et terrains vagues" (MacKee, 1994; p. 98).

Propagation: Seed

Native range: Mediterranean region through Asia Minor to India (Wagner et al., 1999; p. 893).

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. 207)

Australia (Pacific offshore islands)
Lord Howe Island Lord Howe Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 20)
Vouchers cited: J. Pickard in A.N. Rodd 1331 (K, NSW), J.D. McComish 100 (NSW)

Australia (Pacific offshore islands)
Norfolk Islands Norfolk Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 9)
Vouchers cited: W.R. Sykes NI 485 (CHR); 1804, F.L. Bauer (W); 1902, J.H. Maiden & J.L. Boorman (NSW); R.M. Laing (CHR)

Chile (offshore islands)
Juan Fernández Islands Isla Más a Tierra (Robinson Crusoe Island) introduced
Skottsberg, Carl (1953) (p. 221)

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 Santa Clara introduced
Skottsberg, Carl (1953) (p. 221)

Chile (offshore islands)
Juan Fernández Islands Isla Santa Clara introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)

Chile (offshore islands)
Juan Fernández Islands Isla Santa Clara introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)

Ecuador (Galápagos Islands)
Floreana Group Floreana Island introduced
invasive
Charles Darwin Foundation (2008)

Ecuador (Galápagos Islands)
San Cristóbal Group San Cristóbal Island introduced
invasive
Charles Darwin Foundation (2008)
Observed in survey, no herbarium record.

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)

State of Hawaii
Hawaiian Islands Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)

State of Hawaii
Hawaiian Islands Kaho‘olawe Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)

State of Hawaii
Hawaiian Islands Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)

State of Hawaii
Hawaiian Islands Lāna‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)

State of Hawaii
Hawaiian Islands Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)

State of Hawaii
Hawaiian Islands Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)

State of Hawaii
Hawaiian Islands Ni‘ihau Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)

State of Hawaii
Hawaiian Islands O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)

State of Hawaii
Hawaiian Islands Tern Island introduced
invasive
Starr, Forest/Martz, Kim (1999) (p. 6)
Common everywhere. Though not completely habitat altering, this is one of the worst weeds at Tern Island.

Japan (offshore islands)
Bonin (Ogasawara) Islands Bonin (Ogasawara) Islands introduced
Kato, Hidetoshi (2007)

New Caledonia
New Caledonia Archipelago Île Grande Terre introduced
invasive
Tassin, Jacques (2005)

New Caledonia
New Caledonia Archipelago Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 98)
Vouchers cited: MacKee 35337, MacKee 35898

New Zealand (offshore islands)
Kermadec Islands Raoul Island introduced
invasive
Sykes, W. R. (1977) (p. 114)

Palau
Palau (main island group) Babeldaob Island introduced
invasive
Lorence, David H./Flynn, Tim (2010) (p. 33)
Naturalized at OISCA fide Joel Miles.
Naturalized

United States (other Pacific offshore islands)
Midway Atoll Midway Atoll introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd L. (2004) (p. 24)
Vouchers cited: Starr & Martz 010520-1 (BISH), Herbst & Takeuchi 9077 (BISH)

United States (other Pacific offshore islands)
Midway Atoll Sand Island introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd (2008) (pp. B-10)

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. 227)

Japan
Japan Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 186)

Mexico
Mexico Mexico (United Mexican States) Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 227)

New Zealand
New Zealand New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 834)
"Waste land, cultivated land, coastal habitats, river beds".

Additional information:
Additional online information about Malva parviflora is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Malva parviflora as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Malva parviflora may be available from the Germplasm Resources Information Network (GRIN).

References:

Atkinson, Rachel/Sawyer, John. 2011. Naturalized species in the Juan Fernández Archipelago, Chile. Unpublished spreadsheet.

Charles Darwin Foundation. 2008. Database inventory of introduced plant species in the rural and urban zones of Galapagos. Charles Darwin Foundation, Galapagos, Ecuador.

Charles Darwin Research Station. 2005. CDRS Herbarium records.

Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido. 2006. Nouveau catalogue de la flore vaculaire de l'archipel Juan Fernández (Chile) [Nuevo catálogo de la flora vacular del Archipélago Juan Fernández (Chile)]. Acta Bot. Gallica 153(4):399-587.

Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. 1979. A geographical atlas of world weeds. John Wiley & Sons, New York. 391 pp.

Kato, Hidetoshi. 2007. Herbarium records of Makino Herbarium, Tokyo Metropolitan University. Personal communication.

Lorence, David H./Flynn, Tim. 2010. Checklist of the plants of Palau. Unpublished checklist. National Tropical Botanical Garden, Lawai, Hawai‘i. 44 pp.

MacKee, H. S. 1994. Catalogue des plantes introduites et cultivées en Nouvelle-Calédonie. Muséum National d'Histoire Naturelle, Paris, 164 p.

Mito, Toshikazu/Uesugi, Tetsuro. 2004. Invasive alien species in Japan: the status quo and the new regulation for prevention of their adverse effects. Global Environmental Research 8(2)/2004: 171-191.

Orchard, Anthony E., ed. 1994. Flora of Australia. Vol. 49, Oceanic islands 1. Australian Government Publishing Service, Canberra.

Pickard, J. 1984. Exotic plants on Lord Howe Island: Distribution in space and time, 1853-1981. J. of Biogeography 11:181-208.

Skottsberg, Carl. 1953. The natural history of Juan Fernandez and Easter Island. Vol. II, Botany. Almqvist &l; Wiksells, Uppsala. 960 pp.

Starr, Forest/Martz, Kim. 1999. S. S. Midway expedition, May 21, 1999 - June 16, 1999. Trip report prepared for: United States Fish and Wildlife Service. Unpublished. 22 pp. plus photos.

Starr, Forest/Starr, Kim/Loope, Lloyd. 2008. Botanical survey of Midway Atoll. Prepared for: United States Fish and Wildlife Service. 27 pp. plus appendices.

Starr, Forest/Starr, Kim/Loope, Lloyd L. 2004. New plant records from the Hawaiian Archipelago. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2003. Part 2: Notes. Bishop Museum Occasional Papers. 79:20-30.

Swarbrick, John T. 1997. Weeds of the Pacific Islands. Technical paper no. 209. South Pacific Commission, Noumea, New Caledonia. 124 pp.

Sykes, W. R. 1977. Kermadec Islands flora: an annotated checklist. New Zealand Department of Scientific and Industrial Research Bulletin 219, Wellington. 216 pp.

Tassin, Jacques. 2005. Jacques Tassin (IAC-CIRAD), personal communication.

U.S. Dept. Agr., Agr. Res. Serv. 2011. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. 1999. Manual of the flowering plants of Hawaii. Revised edition. Bernice P. Bishop Museum special publication. University of Hawai‘i Press/Bishop Museum Press, Honolulu. 1919 pp. (two volumes).

Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. 1988. Flora of New Zealand, Volume IV: Naturalised pteridophytes, gymnosperms, dicotyledons. Botany Division, DSIR, Christchurch. 1365 pp.

Wiggins, I. L./Porter, D. M. 1971. Flora of the Galapágos Islands. Stanford University Press. 998 pp.

Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 5 AUG 2002 and was last updated on 19 OCT 2006.

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. 207)
Australia (Pacific offshore islands) Lord Howe Island	Lord Howe Island	introduced invasive	Orchard, Anthony E., ed. (1994) (p. 20) Vouchers cited: J. Pickard in A.N. Rodd 1331 (K, NSW), J.D. McComish 100 (NSW)
Australia (Pacific offshore islands) Norfolk Islands	Norfolk Island	introduced invasive	Orchard, Anthony E., ed. (1994) (p. 9) Vouchers cited: W.R. Sykes NI 485 (CHR); 1804, F.L. Bauer (W); 1902, J.H. Maiden & J.L. Boorman (NSW); R.M. Laing (CHR)
Chile (offshore islands) Juan Fernández Islands	Isla Más a Tierra (Robinson Crusoe Island)	introduced	Skottsberg, Carl (1953) (p. 221)
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 Santa Clara	introduced	Skottsberg, Carl (1953) (p. 221)
Chile (offshore islands) Juan Fernández Islands	Isla Santa Clara	introduced invasive	Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands) Juan Fernández Islands	Isla Santa Clara	introduced invasive	Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 555)
Ecuador (Galápagos Islands) Floreana Group	Floreana Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) San Cristóbal Group	San Cristóbal Island	introduced invasive	Charles Darwin Foundation (2008) Observed in survey, no herbarium record.
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)
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii Hawaiian Islands	Kaho‘olawe Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii Hawaiian Islands	Lāna‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii Hawaiian Islands	Moloka‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii Hawaiian Islands	Ni‘ihau Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 893)
State of Hawaii Hawaiian Islands	Tern Island	introduced invasive	Starr, Forest/Martz, Kim (1999) (p. 6) Common everywhere. Though not completely habitat altering, this is one of the worst weeds at Tern Island.
Japan (offshore islands) Bonin (Ogasawara) Islands	Bonin (Ogasawara) Islands	introduced	Kato, Hidetoshi (2007)
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced invasive	Tassin, Jacques (2005)
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced invasive	MacKee, H. S. (1994) (p. 98) Vouchers cited: MacKee 35337, MacKee 35898
New Zealand (offshore islands) Kermadec Islands	Raoul Island	introduced invasive	Sykes, W. R. (1977) (p. 114)
Palau Palau (main island group)	Babeldaob Island	introduced invasive	Lorence, David H./Flynn, Tim (2010) (p. 33) Naturalized at OISCA fide Joel Miles. Naturalized
United States (other Pacific offshore islands) Midway Atoll	Midway Atoll	introduced invasive	Starr, Forest/Starr, Kim/Loope, Lloyd L. (2004) (p. 24) Vouchers cited: Starr & Martz 010520-1 (BISH), Herbst & Takeuchi 9077 (BISH)
United States (other Pacific offshore islands) Midway Atoll	Sand Island	introduced invasive	Starr, Forest/Starr, Kim/Loope, Lloyd (2008) (pp. B-10)

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. 227)
Japan Japan	Japan (country)	introduced	Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 186)
Mexico Mexico	Mexico (United Mexican States)		Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 227)
New Zealand New Zealand	New Zealand (country)	introduced invasive	Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 834) "Waste land, cultivated land, coastal habitats, river beds".