Arabidopsis lyrata subsp. kamchatica (Linnaeus) O’Kane & Al-Shehbaz
Kamchatica rockcress
Brassicaceae (Mustard family)
Introduction to Vascular Plants
Kamchatica rockcress
Brassicaceae (Mustard family)
Introduction to Vascular Plants
Map
Distribution of Arabidopsis lyrata subsp. kamchatica
Click here to view the full interactive map and legend
Species Information
General:
Short-lived perennial herb from a simple or branched stem-base; stems 1-several, simple or branched, 10-30 cm tall, glabrous or sparsely short-hairy basally.
Leaves:
Mostly in a basal rosette, broadly egg-shaped, 1.5-6 cm long, 5-17 mm wide, at least some leaves pinnately cleft, others entire or toothed; stem leaves 3-7, oblanceolate, 1-4 cm long, narrowed to a short stalk or unstalked but not ear-like at the bases, entire or toothed.
Flowers:
Racemes few-flowered (3 to 20); petals 5-5.5 mm long, white; sepals glabrous, outer two slightly bulged at base.
Fruits:
Siliques, glabrous, erect, but not appressed to the axis of the inflorescence, 2-4 cm long, 1-1.5 mm wide, slightly compressed; seeds 1-1.5 mm long, wingless.
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 Arabidopsis lyrata ssp. kamchatica
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) |
1542 | 1542 | 1542 |
| Slope
Gradient (%) |
29 | 29 | 29 |
|
Aspect (degrees) |
49 | 50 | 50 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 4 | 4 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
1 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
ESSF(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to moist gravel bars, moraines, scree slopes, talus slopes and disturbed areas in the montane to alpine zones; frequent throughout BC; N to AK, E to SK and S to WA; E Asia.Status Information
Synonyms
Synonyms and Alternate Names:
Arabis kamchatica (Fisch. ex DC.) Ledeb.