Pacific Island Ecosystems at Risk (PIER)

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Eragrostis atrovirens
(Desf.) Trin., Poaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: shu fu cao

English: thalia love grass, wiry lovegrass

Palauan: ouemoket

Habit:  grass

Description:  "Habit: Perennial; caespitose. Rhizomes absent. Butt sheaths glabrous. Culms geniculately ascending; 30-100 cm long; 1.5-3 mm diam. Leaves basal and cauline. Ligule a fringe of hairs. Leaf-blades 15-30 cm long; 2-4 mm wide. Inflorescence a panicle. Panicle open; oblong, or ovate; 4-40 cm long; contracted about primary branches. Primary panicle branches ascending. Spikelets solitary. Fertile spikelets pedicelled. Fertile spikelets: Spikelets comprising 6-50 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 3-20 mm long; 1.5-2.5 mm wide; breaking up at maturity; rhachilla persistent; shedding paleas. Rhachilla internodes eventually visible between lemmas. Glumes deciduous; similar; shorter than spikelet. Lower glume ovate; 0.8-1.7 mm long; 1 times length of upper glume; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.8-1.7 mm long; 0.6-0.8 times length of adjacent fertile lemma; 1-keeled; 1 -veined. Upper glume apex acute. Florets: Fertile florets divergent; free at tip. Fertile lemma ovate; 1.4-2 mm long; membranous; grey; keeled; 3 -veined. Lemma surface asperulous. Lemma apex acute. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped. Flower: Anthers 3; 0.5-1 mm long. Fruit: Caryopsis with adherent pericarp; ellipsoid; 0.7 mm long"  GrassBase.

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Seed

Native range:  Africa and Asia (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 introduced
invasive
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 57)
Voucher cited: L. Stemmermann 2937 (BISH)
Naturalized
Guam
Guam Island
Guam Island introduced
Raulerson, L. (2006) (p. 8)
Palau
Palau (Belau ) (main island group)
Babeldaob Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 42)
Palau
Palau (Belau ) (main island group)
Babeldaob Island introduced
invasive
Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 59)
Vouchers: Lorence 9809 (PTBG, BNM, NY), Lorence 9912 (PTBG, BNM, NY, US)
Palau
Palau (Belau ) (main island group)
Babeldaob Island   Beleu National Museum (Republic of Palau. Koror.) (1991) (voucher ID: BNM 9568)
Taxon name on voucher: Eragrostis atrovirens (Desf.) Trin.
Palau
Palau (Belau ) (main island group)
Babeldaob Island   Beleu National Museum (Republic of Palau. Koror.) (1996) (voucher ID: BNM 26601)
Taxon name on voucher: Eragrostis atrovirens (Desf.) Trin.
Palau
Palau (Belau ) (main island group)
Babeldaob Island   Beleu National Museum (Republic of Palau. Koror.) (1996) (voucher ID: BNM 26467)
Taxon name on voucher: Eragrostis atrovirens (Desf.) Trin.
Palau
Palau (Belau ) (main island group)
Babeldaob Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2008) (voucher ID: PTBG 102)
Taxon name on voucher: Eragrostis atrovirens (Desf.) Trin. ex Steud.
Palau
Palau (Belau ) (main island group)
Babeldaob Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2008) (voucher ID: PTBG 205)
Taxon name on voucher: Eragrostis atrovirens
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
Australia
Australia (continental)
Australia (continental) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
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)
Roadsides, river banks. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Sichuan, Yunnan.
China
China
Hong Kong native
Wu, Te-lin (2001) (p. 334)
Along roadside and streams.
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)
Singapore
Singapore
Singapore (Republic of) native
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 39)
Common
Taiwan
Taiwan Island
Taiwan Island   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 144)
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)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
British Indian Ocean Territory
Chagos Archipelago
Diego Garcia Island introduced
invasive
Whistler, W. Arthur (1996) (p. 24)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
United States (other states) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Alabama, Georgia
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)


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This page was created on 8 FEB 2007 and was last updated on 30 NOV 2008.