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

Lepidium latifolium L.
broad-leaved pepper-grass (broadleaved pepperweed; dittander)
Brassicaceae (Mustard family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #14589)

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Distribution of Lepidium latifolium
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Species Information

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Perennial from widely spreading underground root system; stems numerous, ascending, 0.5-2.0 m tall; glabrous (or almost).
Basal leaves entire to evenly toothed, up to 30 cm long, 6-8 cm wide, stalks nearly equaling blades; stem leaves reduced, narrower (1-4 cm wide), lower stalked, upper unstalked.
Inflorescence of dense clusters in a large, dense pyramidal panicle; flowers minute; petals white, to twice length of sepals; sepals less than 1 mm long, oval to egg-shaped, widely white-margined.
Silicles, orbicular, about 2 mm long, sparsely soft-hairy, unnotched or slightly notched at the tips; stalks longer than silicles, round in cross section, glabrous or sparsely hairy; beaks nearly obsolete.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to mesic beaches, tidal shores, fields, roadsides and waste places; rare in SW and SE BC, known from Vancouver and Windermere; introduced from Europe.

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

Cardaria latifolia (L.) Spach

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References