Page author: David Giblin
Descurainia sophia
flixweed
WTU specimens
Other herbaria

Distribution: East of the Cascades in Washington; introduced in most of the United States and Canada

Habitat: Weed of dry waste ground and other disturbed areas.

Flowers: March-July

Origin: Introduced from Eurasia

Conservation Status: Not of concern

Description:
General:

Finely stellate, grayish annual, the stems 3-10 dm. tall, usually branched above and also occasionally branched below.

Leaves:

Leaves alternate, mainly cauline, numerous, 2-10 cm. long, oblong-ovate to oblanceolate, repeatedly compound into linear segments 1 mm. long.

Flowers:

Inflorescence of bractless racemes that are often half the length of the plant; pedicles slender, about 10 mm. long; sepals 4, spreading, 2-2.5 mm. long, greenish; petals 4, yellowish, filiform, spatulate, shorter than the sepals; stamens 6, well exerted; stigma sessile.

Fruits:

Siliques nearly erect, terete, linear, 2-3 cm. long and 1-1.5 mm. broad, somewhat lumpy, rounded at the tip; seeds in 1 series.

Accepted Name:
Descurainia sophia (L.) Webb ex Prantl
Publication: Nat. Pflanzenfam. 55(III,2): 192. 1891. 1891.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Descurainia sophia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Descurainia sophia checklist entry.

E-Flora BC: Descurainia sophia atlas page.

CalPhotos: Descurainia sophia photos.

USDA Plants: Descurainia sophia information.

19 photographs:
Group by