Pacific Island Ecosystems at Risk (PIER)

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Sanicula crassicaulis
Poepp. ex DC., Apiaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

English: gamble weed, Pacific blacksnakeroot, snakeroot, western snakeroot

Habit:  herb

Description:  "Plant 24-120 cm, stout, taprooted. Leaf generally simple, palmately lobed, green; blade 3-12 cm, generally ± rounded-cordate, lobes 3-5, obovate, generally ± deeply cut, margins finely sharply serrate, teeth generally ± 1 mm, central lobe often > 10 mm wide at base, its ultimate segment 4-20 mm wide. Inflorescence: peduncle 0.7-8 cm; bracts ± 5, 1-2 mm, narrowly lanceolate, < heads; pedicels short. Flowers: bisexual 3-8; staminate 3-5; calyx lobes 0.5-0.7 mm, ± lanceolate, acute, fused at base; corolla yellow; styles 2x calyx lobes. Fruit 2-5 mm, nearly round, sometimes clearly stalked, with stout, curved prickles throughout or these little developed below, all bulbous-based. Seed: face grooved"  (Jepson Manual online).

Habitat/ecology:  In California (U.S.), "open slopes, ravines, woodlands, 0-1000 m"  (Jepson Manual online).

Propagation:  Seed

Native range:  Canda (British Columbia), United States (Washington, Oregon, California), Mexico (Baja California) (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
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. 462, 466, 557)
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. 462, 466, 557)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada (British Colombia)
Province of British Columbia
Canada (British Columbia) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Baja California
United States (west coast)
United States (west coast states)
USA (Oregon) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (California) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (Washington) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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

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This page was created on 14 FEB 2011 and was last updated on 25 MAR 2011.