Pacific Island Ecosystems at Risk (PIER)

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Sida spinosa
L., Malvaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Reject, score: 9 (Go to the risk assessment).

Common name(s): [more details]

English: prickly fanpetals, prickly sida, prickly-mallow, spiny sida

Spanish: popotalagua, quesillo

Habit:  herb

Description:  "Erect annual or perennial herbs 0.5-0.8 m tall, copiously but minutely stellate puberulent, eventually glabrate. Leaf blades linear to narrowly oblong or ovate, 1-5 cm long, margins serrate to crenate, base obtuse to truncate, petioles usually " or less the length of blades, stipules filiform, 2-5 mm long, each subtended by a short tubercle. Flowers solitary or in clusters, often somewhat corymbose toward the ends of the branches, pedicels slender, 0.2-2.5 cm long; calyx strongly 10-ribbed, 4-7 mm long; petals pale yellow to yellowish orange, 5-6- (-7) mm long; staminal column included. Mericarps 5, 3-4 mm long, grading apically into 2 antrorsely pubescent awns 0.5-1.5 mm long, lower dorsal and lateral walls strongly reticulate, apical surfaces smooth, puberulent. Seeds ca. 1.5 mm long, glabrous or with a few hairs around the hilum" (Wagner et al., 1999; p. 899).

Habitat/ecology:  "Thrives in hot, dry regions at lower elevations. A weed in pastures, cultivated areas, and wastelands" (Haselwood & Motter, 1983; p. 264).

Propagation:  Seed

Native range:  Tropical America.

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Alamagan Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 165)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Alamagan Island introduced
invasive
Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 33)
Voucher cited: Fosberg 31720 (US)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 165)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island introduced
invasive
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 109)
Naturalized
French Polynesia
Marquesas Islands
Nuku Hiva (Nukahiva) Island introduced
invasive
Florence, J. (2004) (pp. 246-247)
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)
Voucher cited: J. Florence 4151 (PAP)
Adventice
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Welsh, S. L. (1998) (p. 178)
Vouchers cited: Setchell & Parks 37, Florence 4706, Florence 4465
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Florence, J. (2004) (pp. 246-247)
French Polynesia
Society Islands
Tahiti Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: J. Florence 2264 (PAP), J. Florence 2384 (PAP), J. Florence 4031 (PAP), J. Florence 4031b (PAP), J. Florence 4465 (PAP), J. Florence 4706 (PAP)
Adventice
French Polynesia
Tuamotu Archipelago
Rangiroa (Rairoa) Atoll introduced
invasive
Florence, J. (2004) (pp. 246-247)
French Polynesia
Tuamotu Archipelago
Rangiroa (Rairoa) Atoll introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Adventice
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 899)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Lorence, David H./Flynn, Tim (1997) (pp. 10-11)
Vouchers cited: Flynn 1047 (PTBG), Flynn & Fosberg 3296 (PTBG), Flynn 5927 (PTBG)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Staples, George W./Imada, Clyde T./Herbst, Derral R. (2002) (pp. 12-13)
Voucher cited: R. Hobdy 2577 (BISH)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Oppenheimer, Hank L./Meidell, J. Scott/Bartlett, R. T. (1999) (pp. 8-9)
West Maui. Vouchers cited: Oppenheimer H79809 (BISH), Oppenheimer H89804 (BISH)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Oppenheimer, Hank (2007) (p. 26)
Voucher cited: Oppenheimer, Tangalin & Perlman H50640 (BISH, PTBG), Oppenheimer H80612 (BISH), Oppenheimer H120628 (BISH, PTBG)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 899)
Nauru
Nauru Island
Nauru Island introduced
invasive
Thaman, R. R./Fosberg, F. R./Manner, H. I./Hassall, D. C. (1994) (p. 168)
var. angustifolia (Lam.) Griseb.
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: MacKee 22100, MacKee 25027, MacKee 36635, MacKee 43059
Palau
Palau (Belau ) (main island group)
Angaur (Ngeaur) Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 165)
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island   Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Tonga
Tonga Islands
Tonga Islands introduced
invasive
Smith, Albert C. (1981) (p. 436)
Tonga
Tongatapu Group
Tongatapu Island introduced
Yuncker, T. G. (1959) (p. 182)
Cited: U.S. Expl. Exped.
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. 336)
Chile (continental)
Chile
Chile (Republic of)   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 336)
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. 336)
Perú
Perú
Perú (Republic of)   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 336)
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   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1995) (voucher ID: PTBG 38083)
Taxon name on voucher: Sida spinosa L.


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This page was created on 1 JAN 1999 and was last updated on 7 MAR 2010.