Pacific Island Ecosystems at Risk (PIER)

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Cerastium glomeratum
Thuill., Caryophyllaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Cerastium viscosum auct.

Common name(s): [more details]

Chinese: qiu xu juan er

English: annual mouse-eared chickweed, clammy chickweed, mouse-ear chickweed, sticky chickweed, sticky mouse-ear, sticky mouse-ear chickweed

French: céraiste aggloméré

Habit:  herb

Description:  "Annual, with all branches reproductive. Stems erect or ascending, (5)-10- 30-(50) cm tall, with spreading eglandular and shorter glandular hairs. Leaves elliptic to broadly obovate-spathulate, (5)-10-25-(30) x (2)-5-10-(15) mm, the lower narrowed gradually to base; hairs eglandular. Inflorescence compact; peduncles elongating at fruiting but pedicels always = or < calyx; peduncles and pedicels densely hairy with long eglandular and shorter glandular hairs. Bracts elliptic to obovate, always herbaceous, with dense glandular and eglandular hairs. Sepals (3.5)-4-5-(6) mm long, with narrow scarious margins, and glandular and long eglandular hairs overtopping apex. Petals slightly > or = sepals. Styles 0.5-0.8 mm long. Capsule cylindric, 2x length of calyx. Seeds 0.3-0.5 mm long, tuberculate"  (Webb et al., 1988; 479).

Description from Flora of Australia online.
Description from Flora of China online.
Description from Flora of North America online.

Habitat/ecology:  In New Zealand, "grassland, roadsides, waste land, pastures, ballast"  (Webb et al., 1988; 479).  In China, "forest margins, mountain slope grasslands, sandy riversides; 100-3700 m"  (Flora of China online).

Propagation:  Seed

Native range:  Northern Africa, temperate Europe and Asia from the Madeira and Canary Islands to Pakistan, exact native range obscure (GRIN).

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
invasive
Australian Biological Resources Study (2013)
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Australian Biological Resources Study (2013)
Chile (offshore islands)
Rapa Nui (Easter) Island
Rapa Nui (Easter) Island (Isla de Pasqua) introduced
Skottsberg, Carl (1953) (p. 81)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
Skottsberg, Carl (1953) (p. 217)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 464, 552)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
Skottsberg, Carl (1953) (p. 217)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 464, 552)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 464, 552)
Voucher cited: Danton I(5/330)1676
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Starr, Forest/Starr, Kim/Loope, Lloyd L. (2004) (p. 21)
East Maui. Vouchers cited: Starr & Martz 020202-1 (BISH), Starr & Starr 020308-1 (BISH)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
MacKee, H. S. (1994) (p. 28)
Vouchers cited: Pancher s.n., MacKee 5108, Schmid 3349 (NOU)
New Caledonia
New Caledonia Archipelago
Île des Pins (Isle of Pines) introduced
MacKee, H. S. (1994) (p. 28)
Voucher cited: MacKee 22374
New Zealand (offshore islands)
Kermadec Islands
Kermadec Islands introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 479)
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Philippines
Philippine Islands
Philippine Islands introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
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)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Australia
Australia (continental)
Northern Territory introduced
invasive
National Herbarium of New South Wales (2013)
Australia
Australia (continental)
Queensland introduced
invasive
National Herbarium of New South Wales (2013)
British Columbia (province of Canada)
Province of British Columbia
Canada (British Columbia) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Central America
Central America (Pacific rim)
Costa Rica (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Central America
Central America (Pacific rim)
Guatemala (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Central America
Central America (Pacific rim)
Panama (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
China
China
China (People's Republic of) uncertain if native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Fujian, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Shandong, Xizang, Yunnan, Zhejiang
Indonesia
Indonesia
Indonesia (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Java
Naturalized
Japan
Japan
Japan introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Japan
Japan
Japan introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 181)
Mexico
Mexico
Mexico (United Mexican States) introduced
invasive
Flora of North America Editorial Committee, eds. (2013)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 479)
South America (Pacific rim)
South America (Pacific rim)
Chile (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
South America (Pacific rim)
South America (Pacific rim)
Ecuador (Republic of) (continental) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
South America (Pacific rim)
South America (Pacific rim)
Perú (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
United States (west coast)
United States (west coast states)
USA (Oregon) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (Washington) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
La Réunion (France)
La Réunion Island
La Réunion Island introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada
Canada
Canada introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
United States (other states) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)

Control:  If you know of control methods for Cerastium glomeratum, please let us know.


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 15 DEC 2010 and was last updated on 9 MAR 2013.