Anemone lyallii Britton
Lyall's anemone (Little Mountain thimbleweed)
Ranunculaceae (Buttercup family)

Introduction to Vascular Plants


© Dave Ingram     (Photo ID #19825)


E-Flora BC Static Map

Distribution of Anemone lyallii
Click here to view the full interactive map and legend

Species Information

Perennial herb from a horizontal, pale, scaly rhizome; stems slender, erect, 5-30 cm tall, minutely hairy to smooth.
Basal leaves 1 or absent, ascending, thin, palmately compound with 3 leaflets, the leaflets 1-3 (5) cm long, toothed on the upper 1/2 to 2/3, tips pointed, lateral leaflets often lobed, usually smooth; stalks 5-8 cm long.
Inflorescence a solitary, terminal flower; flower stalks smooth or minutely-hairy above; involucral bracts 3, leaf-like, stalked, similar to basal leaves; petals absent; sepals 5 (6-7), petal-like, white, pink, or sometimes blue-tinged, oblong, 3.5-8 (10) mm long, 1.5-3 mm wide, smooth; stamens 10-30 (35).
Achenes, several to many in a spheric head on stalks 1-3 cm long, the achenes elliptic, 3-4 mm long, 1-1.5 mm wide, not winged, white fine-hairy; beaks awl-shaped, about 0.5 mm long, smooth.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Anemone lyallii

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)
431 12 1500
Slope Gradient (%)
12 0 70

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

229 20 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 6
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

CDF(2), CWH(29), ICH(4), MH(2), MS(3), SBS(10)

Habitat and Range

Moist meadows, thickets and forests in the lowland, montane and subalpine zones; infrequent in SW BC, disjunct in WC BC; S to N CA.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Anemone nemorosa var. lyallii (Britton) Ulbr.
Anemone quinquefolia var. lyallii (Britton) B.L. Rob.