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

Sisymbrium orientale L.
eastern tumble-mustard (eastern tumble-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 Sisymbrium orientale
Click here to view our 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.

Annual herb from a taproot; stems erect, 10-30 cm tall, branched, short soft-hairy.
Basal leaves clustered, withering before flowering, deeply pinnately lobed or compound, long-stalked with large terminal lobe and about 4 pairs of broadly triangular lateral lobes; stem leaves with linear, arrowhead-shaped terminal lobe and fewer and smaller lateral lobes; upper stem leaves more or less entire or with lobes or leaflets lanceolate to triangular.
Inflorescences much elongating in fruit; petals pale yellow, 8-10 mm long, twice length of sepals.
Siliques, 3-10 cm long, 1-2 mm wide, straight, round in cross section, stiff-hairy becoming glabrous at maturity; segments 3-nerved; fruiting stalks ascending to erect, 3-6 mm long, stout, about as thick as the silique; beaks 1-3 mm long, club-shaped; seeds yellowish-brown, uniseriate, narrowly egg-shaped, about 0.9 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry fields, roadsides and waste places; rare in SW BC, known only from Vancouver; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


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

Brassica kaber var. orientalis (L.) Scoggan

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References