Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: balai-zortie, ortie long, ortie-razier, tropical fanpetals

Spanish: malva montés, tomoztla, tunillo, velloja

Habit:  shrub

Description:  "Lax shrubs up to 1 (-1.5) m tall, branches and calyces usually yellowish hispid with simple spreading hairs 1-3 mm long, also stellulate pubescent. Leaf blades cordate-ovate, usually 4-10 cm long, margins serrate, apex acute, petioles ca. " as long as blades, stipules filiform, 4-6 mm long. Flowers in dense axillary and terminal glomerules and racemes, subsessile; calyx 5-7 (-10) mm long, the lobes acuminate, green-margined; petals yellow to salmon pink, sometimes red at base, slightly exceeding the calyx; staminal column included. Mericarps 5, pale brown, obovoid, ca. 2 mm long, knobbed but not awned apically, glabrous or with a few apical hairs, dorsal wall smooth, lateral walls tenuous, reticulate-veined. Seeds brown, ca. 1.5 mm long, glabrous" (Wagner et al., 1999; p. 899).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  Mexico to the Caribbean, South America and Africa (Wagner et al., 1999; p. 899).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 899) Voucher cited: K. Nagata & Park 2114 (BISH)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Starr, Forest/Martz, Kim/Loope, Lloyd L. (2002) (p. 21) East Maui. Vouchers cited: Starr & Martz 990106-5 (BISH), Hobdy & Baker 3592 (BISH), Hobdy 2474 (BISH)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Oppenheimer, Hank (2007) (p. 27) West Maui. Voucher cited: Oppenheimer H100521 (BISH, PTBG)
New Caledonia New Caledonia	New Caledonia Islands		Swarbrick, John T. (1997) (p. 96)
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. 99) Vouchers cited: Schmid 2824 (NOU), MacKee 28667, MacKee 33130, MacKee 33334

Pacific Rim
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Colombia Colombia	Colombia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Costa Rica Costa Rica	Costa Rica (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Ecuador (Mainland) Ecuador	Ecuador (Republic of) (continental)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
El Salvador El Salvador	El Salvador (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Guatemala Guatemala	Guatemala (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Honduras Honduras	Honduras (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Mexico Mexico	Mexico (United Mexican States)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Nicaragua Nicaragua	Nicaragua (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Panama Panama	Panama (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Perú Perú	Perú (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)

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

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

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

References:

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

Oppenheimer, Hank. 2007. New plant records from Moloka‘i, Lāna‘i, Maui, and Hawai‘i for 2006. In: Evenhuis, Neal L. and Eldredge, Lucias G., eds. Records of the Hawaii Biological Survey for 2006. Part 2: Notes. Bishop Museum Occasional Papers 96:17-34.

Starr, Forest/Martz, Kim/Loope, Lloyd L. 2002. New plant records from the Hawaiian archipelago. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2000. Part 2: Notes. Bishop Museum Occasional Papers. 69:16-27.

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

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

U. S. Government. 2011. Integrated Taxonomic Information System (ITIS) (on-line resource).

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).