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euclidium, Syrian mustard

Habit Freely-branched annual, strongly pubescent with forked hairs, the stem 1-4 dm. tall.
Leaves

Leaves all cauline, alternate, short-petiolate, oblong-oblanceolate, 2-5 cm. long, remotely dentate.

Flowers

Flowers sub-sessile in open, spike-like racemes; pedicles stout, 1 mm. long;

sepals 4, not saccate;

petals 4, white, spatulate, 1 mm. long, rounded or very shallowly notched;

stamens 6;

style stout, beaklike, nearly as long as the silicle.

Fruits

Silicles obovoid, 2-3 mm. long, covered with pungent hairs.

Euclidium syriacum

Flowering time May-June
Habitat Fields, roadsides, and other disturbed areas.
Distribution
Occurring east of the Cascades crest in Washington; Washington to California, east to the Rocky Mountains, also along the coast in northeastern U.S.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Eurasia
Conservation status Not of concern
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