Anemone lyallii Britton
Lyall's anemone (Little Mountain thimbleweed)
Ranunculaceae (Buttercup family)
Introduction to Vascular Plants
Lyall's anemone (Little Mountain thimbleweed)
Ranunculaceae (Buttercup family)
Introduction to Vascular Plants
Photograph
© Dave Ingram (Photo ID #19825)
Species Information
General:
Perennial herb from a horizontal, pale, scaly rhizome; stems slender, erect, 5-30 cm tall, minutely hairy to smooth.
Leaves:
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.
Flowers:
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).
Fruits:
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.
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.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
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)
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) |
431 | 12 | 1500 |
| Slope
Gradient (%) |
12 | 0 | 70 |
|
Aspect (degrees) |
229 | 20 | 340 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 0 | 6 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
50 | ||
| Modal
BEC Zone Class |
CWH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CDF(2), CWH(29), ICH(4), MH(2), MS(3), SBS(10) | ||
|
Source:
Klinkenberg 2013
|
|||
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.Status Information
Synonyms
Synonyms and Alternate Names:
Anemone nemorosa var. lyallii (Britton) Ulbr.
Anemone quinquefolia var. lyallii (Britton) B.L. Rob.