E-Flora BC: Electronic Atlas of the Flora of British Columbia

Sanicula crassicaulis Poepp. ex DC. var. crassicaulis
Pacific sanicle (Pacific blacksnakeroot)

Introduction to Vascular Plants
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Distribution of Sanicula crassicaulis var. crassicaulis
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Species Information

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Perennial herb from a taproot; stem solitary, erect, 25-120 cm tall.
Alternate; basal and lower stem leaves palmately 3-5 lobed or divided without a narrow leaf axis, stalked below, becoming sessile above, primary divisions merely lobed or with teeth, blades 3-13 cm long, 2-18 cm wide.
Inflorescence of terminal umbels less than 1 cm wide in flower; flowers yellow or sometimes purplish; involucels inconspicuous, of 5 narrow bractlets.
Subglobose burrs, 2-5 mm long, covered, except sometimes at the base, with stout, hooked prickles.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to dry coastal bluffs, meadows and woodlands in the lowland zone; frequent in SW BC, known from S Vancouver Island, the Gulf Islands and adjacent coast, infrequent in WC BC, known from the Queen Charlotte Islands and Skeena River valley; S to CA and MX, disjunct to Chile.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References