Anemonastrum canadense
Canada anemone
Ranunculaceae (Buttercup family)

Introduction to Vascular Plants

Photograph

© Amelie Rousseau     (Photo ID #6480)


Map

E-Flora BC Static Map

Distribution of Anemonastrum canadense
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from woody stem-bases joined by rhizomes; stems erect, 15-80 cm tall, hairy.
Leaves:
Basal, 1 to 5, simple, ascending, strongly veined, circular in outline, 4-10 cm long, 5-15 cm wide, deeply palmately 3- to 5-divided, the divisions mostly 3-cleft, the ultimate segments 10-30 (35) mm wide, toothed and incised on the upper 1/3 to 1/2, tips pointed, lightly fine-hairy; stalks 8-22 (37) cm long.
Flowers:
Inflorescence a solitary terminal flower or a few-flowered cyme; primary involucral bracts 3, subtending a long-stalked flower, leaf-like, similar to basal leaves but unstalked and broadly triangular in outline; secondary involucres, sometimes present in vigorous plants, of 2 smaller leaf-like bracts; petals absent; sepals usually 5, petal-like, white, egg-shaped, 10-20 mm long, 5-15 mm wide, smooth or hairy near the base; stamens 80-100.
Fruits:
Achenes, many in a spherical to egg-shaped head on stalk 7.5-11.5 cm long, the achenes egg-shaped to ellipsoid, 3-6 mm long, 3.5-6 mm wide, winged, short appressed-hairy to almost smooth, abruptly beaked, beaks 2-6 mm long, not feathery.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Anemonastrum canadense

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

Avg

Min

Max

Elevation (metres)
1425 1420 1430
Slope Gradient (%)
14 1 27

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

0 45 225
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 3 3
Modal Nutrient Regime
Class
# of field plots
 species was recorded in:
2
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

ESSF(1)

Habitat and Range

Moist meadows, thickets and forest openings in the montane zone; rare in BC S of 56degreeN and E of Coast-Cascade Mountains; N to NT, E to NF and S to MO, OH, NJ, SD and NM.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Anemone canadensis L.