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

Draba glabella Pursh
Rock Whitlow-grass (Golden Draba; smooth draba; smooth whitlow-grass)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© RĂ©al Sarrazin  Email the photographer   (Photo ID #26823)

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Distribution of Draba glabella
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SUBTAXA PRESENT IN BC
Draba glabella var. glabella

Species Information

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General:
Loosely tufted perennial herb from a taproot and a simple or branched stem-base; stems erect, 10-40 cm tall, starlike-hairy, rarely with a few simple hairs below.
Leaves:
Basal leaves oblanceolate, 0.5-4 cm long, 2-10 mm wide, entire or toothed; stem leaves 2-10, egg-shaped to lanceolate, 0.8-3 cm long, 3-12 mm wide, toothed or entire; hairy with stalked starlike hairs, 4- to 5-rayed with the longer 2 rays usually paralleling the leaf axis and again branched; margins hairy-fringed with mostly simple or branched hairs, generally starlike with branches again branched.
Flowers:
Racemes several- to many-flowered, occasionally with solitary flowers in upper leaf axils; flower stalks 2-15 mm long, ascending, straight, sparsely soft-hairy to glabrous; petals white, occasionally cream to yellow, notched at the tips, 3.5-5 mm long; sepals 2-3 mm long, sparsely soft-hairy.
Fruits:
Silicles, 6-15 mm long, 1.5-3 mm wide, lanceolate to oblong, plane or rarely twisted, glabrous or short-hairy; styles less than 0.25 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic meadows and cliffs in the subalpine and alpine zones; rare in BC north of 51degree N; circumpolar, N to AK, YT and NT and E to NF.

Source: The Illustrated Flora of British Columbia

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

Additional Photo Sources

General References