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

Draba verna L.
common draba (common whitlow-grass; spring draba)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

General:
Annual herb from a slender taproot; stems leafless, 5-20 (25) cm tall, glabrous or hairy with simple and branched hairs near base.

Leaves:
Basal leaves in a rosette, spoon-shaped to oblanceolate, entire to toothed, 1-2.5 cm long, hairs simple, branched or starlike; stem leaves lacking.

Flowers:
Racemes 3- to 20-flowered; petals white, 3-4 mm long, deeply bilobed.

Fruits:
Silicles 3-10 mm long, 1.5-4 mm wide, elliptic to egg-shaped, glabrous; fruiting stalks 2-4 times as long as the silicles; style about 0.1 mm long; seeds 30-60, 0.3-0.5 mm long.

Source: The Illustrated Flora of British Columbia

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Illustration Source: The Illustrated Flora of British Columbia

Ecological Framework for Draba verna

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
Site Information	Avg	Min	Max
Elevation (metres)	717	350	1737
Slope Gradient (%)	23	0	73
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	180	20	360
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	2	1	5
Modal Nutrient Regime Class	C
# of field plots species was recorded in:	69
Modal BEC Zone Class	BG
All BEC Zones (# of stations/zone) species was recorded in	BG(33), IDF(14), PP(20)
Source: Klinkenberg 2013

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Exotic	SNA	Exotic	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer.

Synonyms and Alternate Names:
Draba praecox Stev.
Draba verna var. aestivalis Lej.
Draba verna var. boerhaavii H.C. Hall
Draba verna var. major Stur
Erophila spathulata A.F. Lang
Erophila verna (L.) Besser
Erophila verna subsp. praecox (Stev.) S.M. Walters
Erophila verna subsp. spathulata (A.F. Lang) S.M. Walters

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