UW Burke Herbarium species comparison

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Descurainia sophia

flixweed
Habit 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.

Descurainia sophia
Flowering time March-July
Habitat Weed of dry waste ground and other disturbed areas.
Distribution
Occurring east of the Cascades in Washington; Alaska to California, east across North America to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Eurasia
Conservation status Not of concern
Sibling taxa
D. incana, D. incisa, D. longepedicellata, D. nelsonii, D. pinnata
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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