Sida urens L., Malvaceae

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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
Central America Central America (Pacific rim)	Costa Rica (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America Central America (Pacific rim)	El Salvador (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America Central America (Pacific rim)	Guatemala (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America Central America (Pacific rim)	Honduras (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America Central America (Pacific rim)	Nicaragua (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America Central America (Pacific rim)	Panama (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico Mexico	Mexico (United Mexican States)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim) South America (Pacific rim)	Colombia	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim) South America (Pacific rim)	Ecuador (Republic of) (continental)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim) South America (Pacific rim)	Perú (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)

Control:  If you know of control methods for Sida urens, please let us know.