Pacific Island Ecosystems at Risk (PIER)

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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
Colombia
Colombia
Colombia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Costa Rica
Costa Rica
Costa Rica (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
El Salvador
El Salvador
El Salvador (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Guatemala
Guatemala
Guatemala (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Honduras
Honduras
Honduras (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)
Nicaragua
Nicaragua
Nicaragua (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Panama
Panama
Panama (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Perú
Perú
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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

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This page was created on 1 JAN 1999 and was last updated on 19 MAR 2007.