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

Tomostima reptans (Lam.) Fernald
Carolina draba (Carolina whitlow-grass)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #25821)

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Distribution of Tomostima reptans
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Species Information

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Annual herb from a taproot; stems simple or branched, 5-20 cm tall, hairy near base with simple, branched and starlike hairs.
Mostly basal, in a rosette, oblanceolate to egg-shaped, 5-20 mm long, lower surface hairs branched and starlike, upper surface hairs simple and branched, hairy-fringed with stiff hairs, entire; stem leaves 1-5.
Racemes up to 30-flowered; flower stalks 3-10 mm long, erect, with starlike or branched hairs; petals white, slightly notched at the tips, 3-5 mm long; sepals about 2 mm long, sometimes lacking.
Silicles, 5-20 mm long, 1-2 mm wide, linear, glabrous to finely stiff-hairy; styles less than 0.15 mm long; seeds 18-80, 0.5-0.7 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry, often calcareous, cliffs, rocky slopes and forest openings in the steppe and lower montane zones; rare in SC BC, known only from Doc English Bluff (Williams Lake); E to AB and S to TX, GA, CO, NM, AZ and CA.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Draba reptans (Lam.) Fernald

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References