Pacific Island Ecosystems at Risk (PIER)

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Fuirena umbellata
Rottb., Cyperaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: fu lan cao

English: yefen

French: fuirena à ombelle

Palauan: desum ra mesei

Pohnpeian: madeu

Habit:  sedge

Description:  "Perennial herb, wholly light green. Culms solitary, erect from horizontally creeping rhizome, 50-100 cm tall, 6-9 mm thick below, 5-angular, several-nodose, glabrous except below inflorescence. Basal leaves reduced to subaphyllous sheaths; bladed leaves 5-7 to a culm, spaced on middle and upper part of the culm; blades lanceolate to linear-lanceolate, 10-20 cm long, 5-15 mm wide, 5-costate, glabrous, briefly acute at apex, suddenly contracted at base, the sheaths 2-5 cm long, tightly surrounding the culm. Inflorescence paniculiform, with 3-12 glomerulous clusters of spikelets; glomerules single or binate, 15-20 mm across, bearing 5-10 spikelets, the peduncles white-villose, single or binate, occasionally branched; bracts leaf-like, longer than partial inflorescence. Spikelets ovoid or ovoid-ellipsoid, 4-7 mm long, brownish-green or dark brownish-green at maturity, acute, wholly covered with wooly hairs. Glumes elliptic, 2 mm long, ciliate and sparsely pilose outside, the midvein ending in a short recurved awn ca. 1 mm long. Achenes broadly obovate, 0.8 mm long, subobtusely triquetrous with obscurely wrinkled sides, the cuneate base with a thickish stipe; style 3-fid. Hypogynous bristles absent. Hypogynous squamellae 3, obovate or oblong, membranous, short-stipitate at base, slightly surpassing the achene" (Howard, 1979; p. 223).

Habitat/ecology:  In Sri Lanka, "open wet or swampy places at altitudes of 0 to 1800 m" (Dassanayake, 1983; pp. 148-149).

Propagation:  Seed

Native range:  Pantropical (Howard, 1979; p. 223). Widely naturalized; exact native range obscure (GRIN). Fosberg et al. (1987, p. 74) list as native in Micronesia.

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Rota Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 74)
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands
Saipan Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 74)
Federated States of Micronesia
Chuuk Islands
Chuuk Islands native
Swarbrick, John T. (1997) (p. 92)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 74)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island   Glassman, S. F. (1952) (p. 123)
Vouchers cited: Glassman 2841 (US), Kanehira 681 (BISH)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island native
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 43)
Vouchers cited: E. Albert 34 NY), S. Perlman 21524 (PTBG)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2002) (voucher ID: PTBG 41886)
Taxon name on voucher: Fuirena umbellata Rottb.
Federated States of Micronesia
Yap Islands
Woleai Atoll native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 74)
Federated States of Micronesia
Yap Islands
Yap (Waqab) Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 74)
Guam
Guam Island
Guam Island native
Stone, Benjamin C. (1970) (p. 177)
Guam
Guam Island
Guam Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 74)
Marshall Islands
Ralik Chain
Ebon (Epoon) Atoll   Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Palau
Palau (Belau ) (main island group)
Babeldaob Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 74)
Palau
Palau (Belau ) (main island group)
Babeldaob Island native
Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. Field notes and voucher.)
Voucher: Lorence 9922 (PTBG, BNM, BISH, NY, US)
Palau
Palau (Belau ) (main island group)
Babeldaob Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2008) (voucher ID: PTBG 215)
Taxon name on voucher: Fuirena umbellata Rottb.
Palau
Palau (Belau ) (main island group)
Babeldaob Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1998) (voucher ID: PTBG 25475)
Taxon name on voucher: Fuirena umbellata Rottb.
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island native
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 74)
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island   Beleu National Museum (Republic of Palau. Koror.) (1970) (voucher ID: BNM 108)
Taxon name on voucher: Fuirena umbellata Rottb.
Palau
Palau (Belau ) (main island group)
Koror (Oreor) Island   Beleu National Museum (Republic of Palau. Koror.) (1977) (voucher ID: BNM 10076)
Taxon name on voucher: Fuirena umbellata Rottb.
Palau
Palau (Belau ) (main island group)
Ngerkebesang Island   Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (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)
Philippines
Philippine Islands
Philippine Islands native
Merrill, Elmer D. (1925) (p. 116)
In open wet lands at low and medium altitudes.
Solomon Islands
Solomon Islands
Solomon Islands native
Hancock, I. R./Henderson, C. P. (1988) (p. 77)
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)   Hafliger, E. (1092) (p. 45)
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)
Wet grasslands, river margins, paddy fields; near sea level to 1000 m. Fujian, Guangdong, Guangxi, Hainan, SE Xizang, S Yunnan
China
China
Hong Kong native
Wu, Te-lin (2001) (p. 316)
On moist grassland, near river or in paddy fields.
Colombia
Colombia
Colombia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Costa Rica
Costa Rica
Costa Rica (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Guatemala
Guatemala
Guatemala (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Honduras
Honduras
Honduras (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Nicaragua
Nicaragua
Nicaragua (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Panama
Panama
Panama (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Wet grasslands, river margins, paddy fields; near sea level to 1000 m.
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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This page was created on 1 JAN 1999 and was last updated on 4 MAY 2013.