Draba corymbosa R. Br. ex DC.
Baffin Bay draba (Baffin Bay whitlow-grass; flat-top draba)
Brassicaceae (Mustard family)
Introduction to Vascular Plants
Baffin Bay draba (Baffin Bay whitlow-grass; flat-top draba)
Brassicaceae (Mustard family)
Introduction to Vascular Plants
Photograph
Species Information
General:
Densely tufted perennial from a taproot, forming compact tussocks; stems 1-5 cm tall, hairy with simple and branched hairs.
Leaves:
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.
Flowers:
Racemes 2- to 8-flowered; petals pale yellow.
Fruits:
Silicles, elliptic-oblong, rarely twice as long as wide, hairy with short, simple and branched hairs; styles 0.3-0.7 mm long.
Illustration
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
Ecology
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)
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
2290 | 2290 | 2290 |
| Slope
Gradient (%) |
0 | 0 | 0 |
|
Aspect (degrees) |
0 | ||
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
1 | 1 | 1 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
AT | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to dry meadows in the alpine zone; rare in NW BC; N to AK, YT and NT and E to PQ.Status Information
Synonyms
Synonyms and Alternate Names:
Draba barbata Pohle
Draba bellii T. Holm
Draba macrocarpa M.F. Adams