Anemone drummondii var. lithophila S. Watson (Rydb.) C.L. Hitchc.
alpine anemone
Ranunculaceae (Buttercup family)
Introduction to Vascular Plants
alpine anemone
Ranunculaceae (Buttercup family)
Introduction to Vascular Plants
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Map
Distribution of Anemone drummondii var. lithophila
Click here to view the full interactive map and legend
Species Information
General:
Perennial herb from a branching woody stem-base; stems erect, 10-30 cm tall, stiff-hairy.
Leaves:
Basal, 5 to 15, ascending, 3- or 4-times 3-parted, sometimes irregularly so, the ultimate segments linear, 1-2.5 mm wide, long-hairy; stalks 2-10 cm long.
Flowers:
Inflorescence 1- (2-) flowered, terminal; flower stalks long soft-hairy; involucral bracts 3 (-4), 1-tiered, leaf-like, similar to basal leaves but short-stalked; petals absent; sepals usually 6 to 9, petal-like, all white or white tinged with blue on outside, narrowly egg-shaped, 8-20 mm long, 6-10 mm wide, hairy on outside, smooth inside; stamens 80-100, whitish.
Fruits:
Achenes, numerous in a spheric head, rarely cylindric, on stalks 3-10 cm long, the achenes egg-shaped, 2-4 mm long, 1-1.5 mm wide, not winged, silky-hairy; beaks straight, 2-4 (6) mm long, smooth.
Notes:
Two varieties occur in BC:
1. Ultimate leaf segments mostly 1.5-2.5 mm wide; beaks 2-2.5 mm long................. var. lithophila (Rydb.) C.L. Hitchc.
1. Ultimate leaf segments mostly 1-1.5(2) mm wide; beaks mostly 2-4 (6) mm long................. var. drummondii
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 drummondii var. lithophila
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) |
2155 | 1280 | 2610 |
| Slope
Gradient (%) |
46 | 5 | 85 |
|
Aspect (degrees) |
177 | 45 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 2 | 5 |
| Modal
Nutrient Regime
Class |
|||
| #
of field plots species was recorded in: |
43 | ||
| Modal
BEC Zone Class |
AT | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(7), ESSF(5), IMA(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to dry meadows, rock outcrops and scree slopes in the subalpine and alpine zones; rare in SW BC (var. drummondii), common in SE BC, infrequent elsewhere E of the Coast-Cascade Mountains (var. lithophila); N to AK, YT and NT, E to AB and S to WY (var. lithophila), S to CA, disjunct in C ID (var. drummondii).Synonyms
Synonyms and Alternate Names:
Anemone lithophila Rydb.