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

Draba albertina Greene
slender draba (slender whitlow-grass)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Gordon Neish  Email the photographer   (Photo ID #46807)

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Distribution of Draba albertina
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Species Information

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General:
Biennial or short-lived perennial herb from a taproot and a simple stem-base; stems one to several, 4-30 cm long, often branched from the leaf axils, basal hairs coarse, mainly simple hairs, some 2-branched.
Leaves:
Basal leaves oblanceolate to egg-shaped, entire to wavy-margined and minutely toothed, 0.3-3.5 cm long, 1.5-7 mm wide; stem leaves lacking or 1-3 (4), generally lanceolate (narrowly elliptic to widely lanceolate), 0.4-3 cm long, 2-18 mm wide; lower surface hairs short-stalked, 2-branched, 3-branched and crosslike; upper surface hairs none or simple to 2-branched.
Flowers:
Racemes less than 35-flowered, open, generally glabrous; petals yellow, 2.5-3 mm long; sepals 1.5-2 mm long, glabrous or with some simple hairs.
Fruits:
Silicles, 5-15 mm long, almost linear to narrowly egg-shaped, 1-2 mm wide, glabrous, rarely with short hairs; styles less than 0.15 mm long; seeds up to 32, oval, light brown, about 1 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry forest openings and meadows from the montane to alpine zones; infrequent in SC and SE BC, rare northward to NW BC (Atlin) and westward to central Vancouver Island; N to YT and NT, E to SK and S to CO and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Draba albertina

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) 1480 1991 2340
Slope Gradient (%) 1 46 85
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
90 155 225
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 4
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
8
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: ESSF(2), IMA(1)

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.

Synonyms and Alternate Names

Draba crassifolia var. nevadensis C.L. Hitchc.
Draba nitida Greene
Draba stenoloba var. nana (O.E. Schulz) C.L. Hitchc.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References