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

Sanicula marilandica L.
black sanicle (Maryland sanicle; snake-root)

Introduction to Vascular Plants

© Ed McMackin  Email the photographer   (Photo ID #88658)

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Distribution of Sanicula marilandica
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Species Information

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Perennial herb from fibrous roots; stems solitary, erect, 0.4-1.2 m tall, branching above.
Alternate; basal and lower stem leaves palmately 5- to 7-parted or compounded, long-stalked, the blades 4-12 cm long, 6-15 cm wide, the leaflets sharply toothed and sometimes shallowly lobed, becoming sessile.
Inflorescence of terminal umbels less than 1 cm wide in flower; flowers greenish-white; involucels deeply cleft.
Egg-shaped, 4-6 mm long, covered with numerous, basally thickened, hooked prickles.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to moist streambanks, meadows, mineral-rich seeps, hot springs and woodlands in the steppe and montane zones; infrequent in S and C BC, scattered in NE BC; E to NF and S to MO, FL, CO and NM.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Sanicula marilandica

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 210 628 1350
Slope Gradient (%) 0 8 88
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
60 176 355
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 4 7
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: ESSF(1), ICH(27), IDF(13), MS(1), PP(1), SBPS(1), SBS(3)


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.

Synonyms and Alternate Names

Sanicula marilandica var. petiolulata Fernald

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References