Pacific Island Ecosystems at Risk (PIER)

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Fimbristylis umbellaris
(L.) Vahl, Cyperaceae
No images for this taxon


Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Other Latin names:  Fimbristylis globulosa (Retz.) Kunth; Scirpus umbellaris Lam.

Common name(s): [more details]

Chinese: san xing piao fu cao

English: globe fimbry, globular fimbristylis

Habit:  sedge

Description:  Perennial, rhizomatous sedge 20-120 cm tall. Stems densely tufted.  Leaves of sterile shoots and young plants flat, to 1.5 mm wide, reduced to leaf sheaths on mature plants; ligule lacking.  Inflorescence apical, simple or compound, 3-10 cm long, with up to 10 primary rays and 2 or 3 short, erect, basal involucral bracts.  Spikelets 1-40 per inflorescence, globose to ovoid, 4-8 - 3-4 mm, many-flowered.  Fruit a 3-angled or biconvex warty nut, 0.8-1 - 0.6-0.8 mm  (Waterhouse & Mitchell, 1998; pp. 31-32).

Habitat/ecology:  "Wet open places, swamps, pastures, generally <1000 m altitude" (Waterhouse & Mitchell, 1998; pp. 31-32).

Propagation:  "Nuts dispersed by water and birds; vegetative spread by rhizomes and ploughing" (Waterhouse & Mitchell, 1998; pp. 31-32).

Native range:  Eastern and southeastern Asia into the Pacific (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island   Glassman, S. F. (1952) (p. 123)
Voucher cited: Glassman 2484 (US)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island native
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 43)
Vouchers cited: S.F. Glassman 2484 (BISH), L. Stemmermann 2928 (BISH), L. Stemmermann 6563b (BISH)
French Polynesia
French Polynesia Islands
French Polynesia Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
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)
Philippines
Philippine Islands
Philippine Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Cambodia
Cambodia
Cambodia (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Marshy places, paddy fields, wet grasslands; 100-800 m. Guangdong, Guangxi, Hainan, Sichuan, Yunnan.
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Celebes, Java, Kalimantan, Sumatra
Indonesia
Indonesia
West Papua Province (Indonesia) (western New Guinea Island) (formerly Irian Jaya) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Japan
Ryukyu Islands
Ryukyu Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of)   Waterhouse, B. M./Mitchell, A. A. (1998) (p. 32)
Singapore
Singapore
Singapore (Republic of) uncertain if introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 43)
Weed of uncertain origin
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Marshy places, paddy fields, wet grasslands; 100-800 m.
Thailand
Thailand
Thailand (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)

Comments:  "Serious weed in Borneo and common weed in India.  A weed of rice.  Cultivated in Malaysia and parts of Indonesia for matting."  (Waterhouse & Mitchell, 1998; pp. 31-32).


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This page was created on 14 MAR 2005 and was last updated on 29 APR 2013.