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

Barbarea vulgaris W.T. Aiton
bitter winter cress (common winter cress; garden yellowrocket; yellow rocket)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

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.

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 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)

Site Information	Value / Class
Site Information	Avg	Min	Max
Elevation (metres)	1102	305	1900
Slope Gradient (%)	12	0	25
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	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

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:
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

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