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

Draba corymbosa R. Br. ex DC.
Baffin Bay draba (Baffin Bay whitlow-grass; flat-top draba)
Brassicaceae (Mustard family)

Introduction to Vascular Plants
Once images have been obtained, photographs of this species will be displayed in this window.Click on the image to enter our photo gallery.
Currently no image is available for this taxon.
E-Flora BC Static Map
Distribution of Draba corymbosa
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

Densely tufted perennial from a taproot, forming compact tussocks; stems 1-5 cm tall, hairy with simple and branched hairs.
All basal leaves withering but persistent, in a densely crowded rosette, long-hairy on upper surface with simple and branched hairs, hairy with branched, crosslike and starlike hairs on lower surface; stem leaves lacking.
Racemes 2- to 8-flowered; petals pale yellow.
Silicles, elliptic-oblong, rarely twice as long as wide, hairy with short, simple and branched hairs; styles 0.3-0.7 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry meadows in the alpine zone; rare in NW BC; N to AK, YT and NT and E to PQ.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Draba corymbosa

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




Elevation (metres) 2290 2290 2290
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 1
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(1)


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 barbata Pohle
Draba bellii T. Holm
Draba macrocarpa M.F. Adams

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References