Anemonastrum richardsonii
yellow anemone
Ranunculaceae (Buttercup family)
Introduction to Vascular Plants
yellow anemone
Ranunculaceae (Buttercup family)
Introduction to Vascular Plants
Map
Distribution of Anemonastrum richardsonii
Click here to view the full interactive map and legend
Species Information
General:
Perennial herb from a slender rhizome; stems erect, 5-30 cm tall, hairy above.
Leaves:
Basal, 1, simple, ascending, strongly veined, kidney-shaped to circular in outline, 1.5-3 (4) cm long, 1.5-4 cm wide, palmately 3-lobed, smooth or lightly soft-hairy, toothed throughout, the ultimate segments 4-10 (15) mm wide, tips pointed; stalks 2-8 (12) cm long.
Flowers:
Inflorescence a solitary terminal flower; involucral bracts 2 to 3, leaf-like, similar to basal leaves but unstalked, broadly diamond-shaped in outline, and 3-lobed; petals absent; sepals usually 6, petal-like, yellow, elliptic, 8-15 mm long, 4-10 mm wide, hairy outside, at least near base, smooth inside; stamens 25-55.
Fruits:
Achenes, several to many in a loose, spheric head on hairy stalk 3-20 cm long, the achenes egg-shaped to oblong, 3-4 mm long, about 1.5 mm wide, not winged, smooth, abruptly beaked, beaks hooked, 4-6 mm long, smooth.
Notes:
At first glance this yellow-flowered species could be mistaken for Ranunculus lapponicus.
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 Anemonastrum richardsonii
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) |
1358 | 7 | 1920 |
| Slope
Gradient (%) |
11 | 0 | 50 |
|
Aspect (degrees) |
243 | 5 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 2 | 7 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
77 | ||
| Modal
BEC Zone Class |
BAFA | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BAFA(26), BWBS(4), CMA(1), CWH(1), ESSF(24), ICH(1), MH(2), SBS(8), SWB(7) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to wet streambanks, seepage sites, peaty tundra, meadows, thickets, swamps and open forests from the montane to alpine zones; common E of the Coast Mountains and N of 52degreeN; amphiberingian, N to AK, YT and NT, E to PQ and Greenland; NE Asia.Status Information
Synonyms
Synonyms and Alternate Names:
Anemone richardsonii Hook.