Pacific Island Ecosystems at Risk (PIER)

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Vigna radiata
(L.) R.Wilczek, Fabaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Accept, score: -1 (Go to the risk assessment)

Other Latin names:  Phaseolus aureus Roxb.

Common name(s): [more details]

Chinese: lü dou

English: golden gram, green gram, mung bean

Habit:  herb

Description:  "An erect (in cultivated variants) or twining annual herb, occasionally cultivated near sea level. The stems have long, spreading, yellow to brown, bristly hairs, and the stipules are peltate, ovate, and up to 18 x 10 mm. The leaflet blades are very similar to those of Vigna mungo, but the inflorescences may have more numerous (4-25) flowers; the petals are pale yellow, with the keel (and other) petals pink- to purple-tinged. The fruits are horizontal, linear-cylindric, 4-10 cm long and 4-6 mm broad, with a dark brown, short, spreading, bristly indument; the 10-15 seeds are greenish to brown or blackish, oblong-cylindric to subglobose, up to 4.2 x 3.2 x 2.8 mm, and with the rim-aril not developed" (Smith, 1985; pp. 341-342).

Habitat/ecology:  In New Caledonia, "cultivé par des maraîchers javanais et surtout vietnamiens" (MacKee, 1994; p. 91).

Propagation:  Seed

Native range:  India, but now grown in tropical and subtropical areas throughout the world (Smith, 1985; pp. 341-342).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Fiji
Fiji Islands
Vanua Levu Island introduced
cultivated
Smith, Albert C. (1985) (pp. 241-242)
Vouchers cited: DA 12035, DA 12036
Guam
Guam Island
Guam Island   Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
cultivated
Imada, Clyde T./Staples, George W./Herbst, Derral R. (2013) (p. Voucher specimens)
Vouchers cited: Coker s.n. (BISH 55803, BISH 457312)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994) (p. 91)
Voucher cited: MacKee 45661
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Tonga
Tonga Islands
Tonga Islands   Swarbrick, John T. (1997) (p. 95)
Tonga
Vava‘u Group
Vava‘u Island introduced
cultivated
Yuncker, T. G. (1959) (p. 149)
Cited: Barclay.
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) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Cambodia
Cambodia
Cambodia (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) native
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
"Open wastelands, roadsides, thicket margins, also cultivated; ca. 500 m".
China
China
Hong Kong introduced
cultivated
Wu, Te-lin (2001) (p. 156)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Taiwan
Taiwan Island
Taiwan Island native
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
"Open wastelands, roadsides, thicket margins, also cultivated; ca. 500 m".
Vietnam
Vietnam
Vietnam (Socialist 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
Australia (Indian Ocean offshore islands)
Christmas Island Group
Christmas Island introduced
invasive
Orchard, Anthony E., ed. (1993) (p. 18)


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 27 OCT 2006.