Pacific Island Ecosystems at Risk (PIER)

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Desmodium tortuosum
(Sw.) DC., Fabaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results: 

Reject, score: 6 (Go to the risk assessment (Australia))
Reject, score 14 (Go to the risk assessment (U.S. (Florida)))

Other Latin names:  Desmodium purpureum (Miller) Fawcett & Rendle; Meibomia purpurea (Mill.) Vail

Common name(s): [more details]

Chinese: nan mei shan ma huang

English: beggarweed, dixie ticktrefoil, Florida beggarweed, Spanish clover

French: colle-colle

Habit:  herb

Description:  "Erect herbs or subshrubs 5-20 dm tall; stems hooked pubescent. Leaves trifoliolate, leaflets elliptic to ovate, terminal one 3-10 cm long, 1.5-5 cm wide, both surfaces appressed pubescent with minute hooked hairs, apex obtuse to acute, base cuneate to obtuse, petioles 1-5 cm long. Flowers numerous in open, racemose inflorescences 3-8 cm long, occasionally these grouped into diffuse, paniculate inflorescences up to 25 cm long, rachis densely glandular pilose, less so with age, and puberulent with hooked hairs, pedicels slender, 10-15 mm long; corolla pink to bluish purple, 5-6 mm long. Pods stipitate, (3-) 5-7-jointed, (1.5-) 2-3 cm long, pubescent with hooked hairs, articles usually orbicular to broadly elliptic, 3-4.5 mm long, 3-3.5 mm wide" (Wagner et al., 1999; pp. 669, 1877).

Habitat/ecology:  Roadsides and disturbed areas. In Hawai‘i, "in dry disturbed areas near the coast and in open, disturbed wet forest and along roadsides from 20-670 m" (Wagner et al., 1999; pp. 669). In New Caledonia, "localement commun en bords de routes" (MacKee, 1994; p. 83).

Propagation:  Seed. Pods break apart and stick to clothes, fur, etc.

Native range:  Tropical and subtropical America; naturalized elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
American Samoa
Tutuila Islands
Tutuila Island   Whistler, W. A. (1988) (p. 24)
Voucher cited: Whistler 303
American Samoa
Tutuila Islands
Tutuila Island introduced
invasive
Anon. (1988)
American Samoa
Tutuila Islands
Tutuila Island   Bishop Museum (Honolulu) (1974) (voucher ID: BISH 418116)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
American Samoa
Tutuila Islands
Tutuila Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1992) (voucher ID: PTBG 16358)
Taxon name on voucher: Desmodium tortuosum
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 9)
"Naturalised, presumably introduced with fodder". Voucher cited: R.O. Gardner 6193 (AK, K)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Anatahan Island introduced
Raulerson, L. (2006) (p. 37)
Cook Islands
Southern Cook Islands
Mangaia Island   Sykes, Bill (year unknown)
Recorded by Art Whistler per Bill Sykes.
Cook Islands
Southern Cook Islands
Mangaia Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2002) (voucher ID: PTBG 41488)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
Federated States of Micronesia
Chuuk Islands
Fefan Island introduced
Space, James C./Waterhouse, Barbara/Denslow, Julie S./Nelson, Duane/Mazawa, Thomas R. (2000) (p. 26)
Federated States of Micronesia
Kosrae Island
Kosrae Island introduced
invasive
Space, James C./Waterhouse, Barbara/Denslow, Julie S./Nelson, Duane/Waguk, Erick E. (2000) (p. 6)
Vouchers: BMW 5757 (BISH, BRI), BMW 5764 (BISH, BRI, GUAM)
Federated States of Micronesia
Kosrae Island
Kosrae Island introduced
invasive
Josekutty, P. C./Wakuk, E. E./Joseph, M. J. (2002) (p. 62)
Federated States of Micronesia
Kosrae Island
Kosrae Island   Bishop Museum (Honolulu) (2000) (voucher ID: BISH 687670)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
Federated States of Micronesia
Kosrae Island
Kosrae Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2005) (voucher ID: PTBG 44921)
Taxon name on voucher: Desmodium tortuosum
Federated States of Micronesia
Yap Islands
Yap (Waqab) Island   Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Fiji
Fiji Islands
Ovalau Island introduced
invasive
cultivated
Smith, Albert C. (1985) (p. 191)
Voucher cited: DA 17039
Presumably adventive.
Fiji
Fiji Islands
Taveuni Island   Bishop Museum (Honolulu) (1953) (voucher ID: BISH 14418)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
Fiji
Fiji Islands
Viti Levu Island introduced
invasive
cultivated
Smith, Albert C. (1985) (p. 191)
Vouchers cited: Tothill 108; DA 35, 3075, 4049, 5819, 5820, L.11427, 14354
Presumably adventive.
Guam
Guam Island
Guam Island introduced
Raulerson, L. (2006) (p. 37)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 668-669)
State of Hawaii
Hawaiian Islands
Kaho‘olawe Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 668-669)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 668-669)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
Wester, Lyndon (1992) (p. 138)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 668-669)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Hughes, Guy D'Oyly (1995) (p. 5)
Vouchers cited: Hughes s.n. (BISH), Hughes 28 (US)
Sparingly naturalized in lowland shrubland.
State of Hawaii
Hawaiian Islands
Ni‘ihau Island introduced
Wester, Lyndon (1992) (p. 138)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 668-669)
Japan (offshore islands)
Ogasawara (Bonin) Islands
Bonin (Ogasawara) Islands introduced
Kato, Hidetoshi (2007)
Kiribati
Tungaru (Gilbert) Islands
Tarawa Atoll introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 110)
Kiribati
Tungaru (Gilbert) Islands
Tarawa Atoll introduced
invasive
Space, James C./Imada, Clyde T. (2004) (p. 74)
Kiribati
Tungaru (Gilbert) Islands
Tarawa Atoll introduced
Fosberg, F. R./Falanruw, M. V. C. (1980) (p. 205)
Voucher cited: Adair 230 (US, BISH)
Nauru
Nauru Island
Nauru Island introduced
invasive
Thaman, R. R./Fosberg, F. R./Manner, H. I./Hassall, D. C. (1994) (p. 146)
Vouchers cited: Fosberg 58639 (US), Fosberg 58741 (US), Scully 110N (US), Thaman & Manner 87 (SUVA), Thaman & Manner 22308 (SUVA)
Nauru
Nauru Island
Nauru Island   Bishop Museum (Honolulu) (1990) (voucher ID: BISH 650099)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
Nauru
Nauru Island
Nauru Island   Bishop Museum (Honolulu) (1978) (voucher ID: BISH 660340)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
Nauru
Nauru Island
Nauru Island   Bishop Museum (Honolulu) (1978) (voucher ID: BISH 660711)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
New Caledonia
New Caledonia
New Caledonia Islands   Swarbrick, John T. (1997) (p. 91)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 83)
Vouchers cited: Mackee 30690, Mackee 36455, Mackee 39822
Palau
Palau (Belau ) (main island group)
Babeldaob Island introduced
invasive
Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 85)
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island introduced
invasive
Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 80)
Papua New Guinea
Bismarck Archipelago
Bismarck Archipelago introduced
ILDIS Co-ordinating Centre (2013)
Papua New Guinea
Bismarck Archipelago
Bismarck Archipelago   Peekel, P. G. [translated by E. E. Henty] (1984) (pp. 237-239)
Common in bush and at roadsides.
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) introduced
ILDIS Co-ordinating Centre (2013)
Pitcairn Islands
Pitcairn Islands
Pitcairn Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence 10783 (PAP)
Adventice
Pitcairn Islands
Pitcairn Islands
Pitcairn Island   Bishop Museum (Honolulu) (1991) (voucher ID: BISH 643234)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
Samoa
Western Samoa Islands
Upolu Island   Whistler, W. A. (1988) (p. 24)
Manono. Voucher cited: Whistler 2406
Solomon Islands
Solomon Islands
Solomon Islands   Swarbrick, John T. (1997) (p. 91)
Solomon Islands
Solomon Islands
Solomon Islands native
Hancock, I. R./Henderson, C. P. (1988) (p. 66)
Tonga
Tongatapu Group
Tongatapu Island   Whistler, W. A. (1992) (p. 29)
Vouchers cited: Soakai 239, Soakai 425
Tonga
Tongatapu Group
Tongatapu Island   Bishop Museum (Honolulu) (1959) (voucher ID: BISH 41380)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
Tonga
Tongatapu Group
Tongatapu Island   Bishop Museum (Honolulu) (1958) (voucher ID: BISH 154341)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
Tonga
Vava‘u Group
Vava‘u Island introduced
invasive
Space, James C./Flynn, Tim (2001) (p. 66)
Tonga
Vava‘u Group
Vava‘u Island   Whistler, W. A. (1992) (p. 29)
Voucher cited: Crosby s.n. (s.n.?). As D. spirale. Det. as D. procumbens (Mill.) Hitchc. by Schubert in 1964.
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. 124)
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)
China
China
China (People's Republic of) introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
"Wastelands, plains; low elevations. Introduced and naturalized in Guangdong".
China
China
Hong Kong introduced
invasive
Wu, Te-lin (2001) (p. 144)
In wasteland.
Indonesia
Indonesia
West Papua Province (Indonesia) (western New Guinea Island) (formerly Irian Jaya) introduced
ILDIS Co-ordinating Centre (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 (Republic of) 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)
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 introduced
invasive
Whistler, W. Arthur (1996) (p. 28)
British Indian Ocean Territory
Chagos Archipelago
Diego Garcia Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1995) (voucher ID: PTBG 37925)
Taxon name on voucher: Desmodium tortuosum (Sw.) DC.
La Réunion (France)
La Réunion Island
La Réunion Island introduced
invasive
Lavergne, Christophe (2006)
"Naturalisé/envahissant"
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island introduced
ILDIS Co-ordinating Centre (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
United States (other states) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Alabama, Arkansas, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Texas.
United States (continental except west coast)
United States (other states)
USA (Florida) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)

Comments:  Quite prevalent along roadsides and forest tracks on Kosrae (Space et al., 2000).


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This page was created on 1 JAN 1999 and was last updated on 10 APR 2013.