UW Burke Herbarium species comparison

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Erucastrum gallicum

dog mustard, hairy rocket
Habit Annual with soft hairs retrorsely aligned and appressed, the stems simple to freely branched, 1.5-8 dm. tall.
Leaves

Leaves alternate, 3-20 cm. long, pinnatifid, the segments often again wavy lobed.
Flowers

Flowers in a loose, elongate, bracteate raceme, the lowermost flowers sometimes in the axils of scarcely modified leaves; pedicles slender, ascending, under 1 cm. long;

sepals 4, slightly saccate at the base;

petals 4, pale yellow, 4-7 mm. long;

stamens 6;

style 1.5-3 mm. long.
Fruits

Siliques 2-4.5 cm. long and 1.5 mm. thick, terete-quadrangular, the valves prominently keeled;

seeds in 1 series.

Erucastrum gallicum
Flowering time May-July
Habitat Fields, roadsides, wastelots, and other disturbed areas.
Distribution
Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Eurasia
Conservation status Not of concern
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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