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).

Control:  If you know of control methods for Fimbristylis umbellaris, please let us know.