Barbarea vulgaris W.T. Aiton
bitter winter cress (common winter cress; garden yellowrocket; yellow rocket)
Brassicaceae (Mustard family)
Introduction to Vascular Plants
bitter winter cress (common winter cress; garden yellowrocket; yellow rocket)
Brassicaceae (Mustard family)
Introduction to Vascular Plants
Species Information
General:
Biennial from a taproot and a simple stem-base; stems 20-80 cm tall, coarse, erect, angled and branched.
Leaves:
Basal leaves pinnately lobed, long-stalked, less than 12 cm long, with 1-2 pairs of lateral lobes, terminal lobe largest, egg-shaped and entire or irregularly toothed; stalks and leaflets glabrous; lowermost stem leaves with 1-2 pairs of lateral lobes, upper generally lobed, not pinnately cleft.
Flowers:
In single and terminal racemes or more often in compound, reduced racemes in lower leaf axils; flower stalks slender, less than 1 mm wide, 3-5 mm long; petals bright yellow, spoon-shaped to oblanceolate, 6-8 mm long; sepals pale yellow-green, about 2 mm long.
Fruits:
Erect to ascending siliques, 1-3 cm long, straight; styles 2-3 mm long, distinctly beaklike; seeds 1-1.5 mm long, oblong.
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 Barbarea vulgaris
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) |
1102 | 305 | 1900 |
| Slope
Gradient (%) |
12 | 0 | 25 |
|
Aspect (degrees) |
327 | 328 | 328 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 4 | 4 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
2 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CWH(1), ESSF(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to wet roadsides, fields and disturbed areas in the steppe and montane zones; frequent in S BC, rare northward; introduced from Eurasia.Status Information
Synonyms
Synonyms and Alternate Names:
Barbarea arcuata (Opiz ex J. Presl & C. Presl) Rchb.
Barbarea stricta auct. non Andrz.
Barbarea vulgaris var. arcuata (Opiz ex J. Presl & C. Presl) Fr.
Barbarea vulgaris var. brachycarpa Rouy & Foucaud
Barbarea vulgaris var. longisiliquosa Carion
Barbarea vulgaris var. sylvestris Fr.
Campe barbarea (L.) W. Wight ex Piper
Campe stricta auct. non (Andrz.) W. Wight ex Piper