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

Cardaria draba subsp. draba
heart-podded hoary-cress
Brassicaceae (Mustard family)

Introduction to Vascular Plants
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Distribution of Cardaria draba subsp. draba
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Species Information

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Perennial herb from a large, white rhizome; stems stout, somewhat white-hairy, 10-50 cm tall, branched above.
Basal leaves simple, toothed to entire, widely oblanceolate to egg-shaped, short-hairy, short- stalked; stem leaves similar, unstalked, clasping.
Racemes in a flat-topped group, bractless with many small flowers; petals white, 3-4 mm long; sepals early deciduous, glabrous, margins white.
Silicles, glabrous, 2.5-6.0 mm long, 3-5 mm wide, round to widely egg-shaped or heart-shaped, inflated, somewhat compressed.
Two subspecies occur in BC:

1. Silicles heart-shaped.................. ssp. draba

1. Silicles not heart-shaped..................... ssp. chalapensis (L.) O.E. Schulz

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry roadsides, fields and waste places in the lowland, steppe and montane zones; infrequent in S BC (ssp. draba) or rare in SC BC (ssp. chalapensis); introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


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.

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