Lepidium virginicum
tall pepperweed
WTU specimens
Other herbaria

Distribution: Throughout the United States, north to Alaska

Habitat: Weedy native of the lowlands

Flowers: March - June

Origin: Native

Conservation Status: Not of concern

Description:
General:

Sparsely to densely pubescent annual or biennial, the freely-branched stem 1.5-6 dm. tall.

Leaves:

Basal leaves from toothed to nearly pinnate, oblanceolate, 5-15 cm. long and 1-5 cm. broad; cauline leaves gradually reduced upward and often entire.

Flowers:

Inflorescence of numerous, elongate, many-flowered racemes; pedicles slender, terete, longer than the fruits; sepals 4; petals 4, white, 1-3 mm. long; stamens 2; style lacking.

Fruits:

Silicles elliptic-rotund to nearly orbicular, 2.5-4 mm. long, strongly obcompressed, glabrous, shallowly notched.

Accepted Name:
Lepidium virginicum L.
Publication: Sp. Pl. 2: 645. 1753.

Synonyms & Misapplications:
(none provided)
Infraspecies:
ssp. menziesii – tall pepperweed    On both sides of the Cascades in Washington; widely distributed throughout western North America from British Columbia south to Texas.
ssp. virginicum – tall pepperweed
Additional Resources:

PNW Herbaria: Specimen records of Lepidium virginicum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lepidium virginicum checklist entry.

E-Flora BC: Lepidium virginicum atlas page.

CalPhotos: Lepidium virginicum photos.

USDA Plants: Lepidium virginicum information.

19 photographs:
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