Pacific Island Ecosystems at Risk (PIER)

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Eragrostis cilianensis
(All.) Vignolo ex Janch., Poaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Eragrostis major Host; Eragrostis megastachya (Koel.) Lk.; Poa cilianensis All.

Common name(s): [more details]

Chinese: da hua mei cao

English: gray love grass, spreading lovegrass, stinkgrass

French: amourette, grande éragrostide

Japanese: suzumegaya

Spanish: bailarines, espiguilla, lindrilla, traicionero, zacate apestoso, zorilla

Habit:  grass

Description:  "Tufted annuals, strongly scented when fresh; culms somewhat weak, erect or ascending from a decumbent base, 2-4 dm tall, branching at base.  Sheaths usually somewhat compressed, conspicuously pilose at throat, otherwise glabrous; ligule a line of hairs 0.7-1.2 mm long; blades dark green, flat, 5-15 cm long, 3-6 mm wide, upper surface scabrous, lower surface glabrous, margins with conspicuous tuberculate glands.  Panicles green to grayish green, moderately dense, 5-15 cm long; spikelets 10-40-flowered, oblong, 5-15 mm long, ca. 3 mm wide, compressed; glumes often purple-tinged, subequal, keels sparsely covered with minute glands, apex acute, first glume 1-1.2 mm long, second glume 1.5-1.7 mm long; lemmas closely imbricate, thin, 2-2.5 mm long, conspicuously 3-nerved, keel sparsely covered with minute glands, apex acute, scabrous, palea 1.2-1.7 mm long, keels minutely ciliate.  Caryopsis reddish brown, ovoid to globose, punctate, 0.5-1 mm long"  (Wagner et al., 1999; p. 1541).

Description from GrassBase.

Habitat/ecology:  "A weed of roadsides, waste places, and cultivated fields" (Wiggins & Porter, 1971; pp. 850-852).

In Hawai‘i, "naturalized in dry sties, including beaches, pastures, and open mesic shrubland, 0-280 m" (Wagner et al., 1999; p. 1541). In New Caledonia, "largement dispersé sur la Grande-Terre sans être commun" (MacKee, 1994; p. 59).

Propagation:  Seed

Native range:  "Tropical and warm temperate regions of the Old World, now naturalized in the New World" (Wagner et al., 1999; p. 1541).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
Pickard, J. (1984) (p. 205)
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 22)
"An occasional weed". Voucher cited: L.M. Bingley 6 (K)
Ecuador (Galápagos Islands)
Darwin Islands
Darwin Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Española Group
Española Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Española Group
Gardner por Espaņola Islet, Española Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Española Group
Oeste Islet, Española Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Española Group
Osborn Islet, Española Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Floreana Group
Floreana Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Floreana Group
Gardner por Floreana Island, Floreana Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Genovesa Group
Genovesa Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Isabela Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Volcán Alcedo, Isabela Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Isabela Group
Volcán Sierra Negra, Isabela Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Pinta Group
Pinta Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Pinzón Group
Pinzón Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Baltra Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Daphne Mayor Island, Santa Cruz Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Plaza Norte Islet, Santa Cruz Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Punta Bowditch Norte Islet, Santa Cruz Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Punta Bowditch Sur Islet, Santa Cruz Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Santa Cruz Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Cruz Group
Venecia Islet, Santa Cruz Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santa Fé Group
Santa Fé Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santiago Group
Bainbridge #6 Rock, Santiago Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santiago Group
Rábida Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Santiago Group
Santiago Island possibly introduced
invasive
Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands)
Wolf Island
Wolf Island possibly introduced
invasive
Charles Darwin Foundation (2008)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1541)
State of Hawaii
Hawaiian Islands
Kaho‘olawe Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1541)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1541)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1541)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1541)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1541)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 59)
Voucher cited: Vieillard 3352
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island)   Henty, E. E. (1969) (p. 93)
Philippines
Philippine Islands
Philippine Islands   Merrill, Elmer D. (1925) (p. 88)
In open waste places at low altitudes.
Philippines
Philippine Islands
Philippine Islands   Hafliger, Ernst/Scholz, Hildemar (1980) (p. 69)
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
National Herbarium of New South Wales (2013)
South Australia, Tasmania, Victoria, Western Australia
Naturalised
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Australia
Australia (continental)
Northern Territory introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Australia
Australia (continental)
Queensland introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Cambodia
Cambodia
Cambodia (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Chile (continental)
Chile
Chile (Republic of)   Hafliger, Ernst/Scholz, Hildemar (1980) (p. 69)
China
China
China (People's Republic of) native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Waste places, fields, cultivated ground. Anhui, Beijing, Fujian, Guizhou, Hainan, Heilongjiang, Henan, Hubei, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Xinjiang, Yunnan, Zhejiang.
Indonesia
Indonesia
Indonesia (Republic of)   Hafliger, Ernst/Scholz, Hildemar (1980) (p. 69)
Japan
Japan
Japan (country) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Honshu, Kyushu, Shikoku
Mexico
Mexico
Mexico (United Mexican States)   Hafliger, Ernst/Scholz, Hildemar (1980) (p. 69)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Edgar, E./Connor, H. (2000) (p. 527)
"Waste land, roadsides, mainly in sandy ground".
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Waste places, fields, cultivated ground.
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)


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This page was created on 28 JUN 2004 and was last updated on 30 NOV 2008.