E-Flora BC: Electronic Atlas of the Flora of British Columbia

Draba ventosa A. Gray
Wind River draba (Wind River whitlow-grass)
Brassicaceae (Mustard family)

Introduction to Vascular Plants
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Distribution of Draba ventosa
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Species Information

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General:
Low, tufted perennial herb from a taproot and a branched stem-base, usually covered with withered remains of older leaves; stems leafless, 2-4 cm tall, densely covered with long-stalked starlike hairs.
Leaves:
Numerous, egg-shaped-elliptic to oblanceolate, 5-12 mm long, 2-4 mm wide; densely hairy mainly with long-stalked starlike hairs on both leaf surfaces, also with simple and branched hairs; older leaves persistent, withered; stem leaves lacking.
Flowers:
Racemes compressed, 3- to 20-flowered; petals yellow, 4-5 mm long.
Fruits:
Silicles 5-8 mm long, 3.5-5.5 mm wide, oval to egg-shaped, plane; segments thick, often somewhat corrugated, densely and softly hairy with a mixture of simple and branched (almost crosslike) hairs; fruiting stalks about length of silicles; styles 0.6-1.2 mm long; seeds 10-16, 1.5-2 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry meadows, cliffs, rocky slopes and scree slopes in the subalpine and alpine zones; rare in SE BC; N to YT, E to SW AB and S to WY and UT.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Draba ventosa

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

Minimum

Average

Maximum

Elevation (metres) 1760 1760 1760
Slope Gradient (%) 12 12 12
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
220 220 220
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 5
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
1
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in:

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References