Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Limnocharis flava
(L.) Buchenau, Alismataceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Other Latin names:  Alisma flavum L.; Limnocharis emarginata Humb. & Bonpl.

Common name(s): [more details]

Chinese: huang hua lin

English: limnocharis, sawah-flower rush, sawah-lettuce, velvetleaf, yellow bur-head

Spanish: cebolla de chucho

Habit:  aquatic herb

Description:  "Perennial plants from a short thick erect rhizome, the scapes erect, 20-40 cm high; leaves erect or ascending, not floating, often exceeding the scapes, long-petiolate, the petiole vaginate; leaf blades variable in shape, lanceolate to oblong-elliptic in Central American plants, sometimes broadly ovate in other regions, mostly 8-18 cm long, acute to rounded at the apex, attenuate at the base; inflorescences umbelliform, 2-12-flowered, the pedicels 3-4 cm long, somewhat dilated and trigonous above; flowers yellow, about 1.5 cm broad, the sepals green, broadly ovate, obtuse; petals broadly ovate or suborbicular, longer than the sepals; mature follicles about 1 cm long" (Standley & Steyermark, 1958; p. 84).

Habitat/ecology:  Wet areas. "Fresh water pools, rice paddies and irrigation ditches.  It is a serious weed of rice in Malaysia, Indonesia and Sri Lanka." (Waterhouse & Mitchell, 1998; pp. 49-50). "Forms dense, choking infestations" (Smith, 2002; p. 92).

In New Caledonia, "peu cultivé à présent et introduit paraît-il récemment en provenance d'Indonésie" (MacKee, 1994; p. 94).

Propagation:  "By seed and vegetative shoots.  Water dispersed.  It is an attractive plant and can be spread by aquatic plant enthusiasts.  It is also eaten as a green vegetable in South-East Asia and has been moved by people for this purpose." (Smith, 2002; p. 92).

Native range:  Southern Mexico, Central and South America (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
cultivated
MacKee, H. S. (1994) (p. 94)
Voucher cited: MacKee 38728
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)
Queensland introduced
invasive
Waterhouse, B. M (2003) (p. 481)
Subject of an eradication program.
Cambodia
Cambodia
Cambodia (Kingdom of) introduced
invasive
Waterhouse, B. M./Mitchell, A. A. (1998) (pp. 49-50)
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)
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)
Naturalized in marshes and shallow water; 600-700 m. Guangdong, S. Yunnan.
China
China
Hong Kong introduced
Wu, Te-lin (2001) (p. 291)
Indonesia
Indonesia
Indonesia (Republic of) introduced
invasive
Waterhouse, B. M./Mitchell, A. A. (1998) (pp. 49-50)
Indonesia
Indonesia
West Papua Province (Indonesia) (western New Guinea Island) (formerly Irian Jaya) introduced
invasive
cultivated
Waterhouse, B. M (2003) (p. 481)
Malaysia
Malaysia
Malaysia (country of) introduced
invasive
Waterhouse, B. M./Mitchell, A. A. (1998) (pp. 49-50)
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Negara Brunei Darussalam
Brunei
Brunei (Negara Brunei Darussalam) introduced
invasive
Waterhouse, B. M./Mitchell, A. A. (1998) (pp. 49-50)
Singapore
Singapore
Singapore (Republic of) introduced
invasive
Waterhouse, B. M./Mitchell, A. A. (1998) (pp. 49-50)
Singapore
Singapore
Singapore (Republic of) introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 55)
Naturalised
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)
Thailand
Thailand
Thailand (Kingdom of) introduced
invasive
Waterhouse, B. M./Mitchell, A. A. (1998) (pp. 49-50)
Vietnam
Vietnam
Vietnam (Socialist Republic of) introduced
invasive
Waterhouse, B. M./Mitchell, A. A. (1998) (pp. 49-50)


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

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 17 JAN 2004 and was last updated on 18 MAY 2013.