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

Brassica nigra (L.) W.D.J. Koch
black mustard
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 Brassica nigra
Click here to view the full 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.



General:
Annual herb from a taproot; stems sparsely to densely stiff-hairy, 40-150 cm tall, usually branched.
Leaves:
Basal leaves stalked, mostly somewhat pinnately cleft, with the terminal lobe the largest, to wavy-margined and lobed or saw-toothed; stem leaves similar but reduced upward, the uppermost elliptic, wavy-margined or saw-toothed, nearly unstalked and not ear-like at the bases.
Flowers:
In numerous clusters from the leaf axils; flower stalks stout, erect, 3-6 mm long; petals 7-11 (15) mm long, basal portion slender; sepals 3-4 mm long.
Fruits:
Siliques, erect, tightly appressed to stems, 1-2.5 cm long, 1-1.5 mm wide, somewhat quadrangular; beaks smooth; seeds about 2 mm long, minutely honeycombed.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic fields and waste places in the lowland zone; rare in SW BC; introduced from Europe.

Source: The Illustrated Flora of British Columbia

Climate

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

Sinapis nigra L.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References