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Photographer: Gary Fewless
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Family Brassicaceae
Descurainia pinnata (Walter) Britton subsp. brachycarpa (Richardson) Detling
green tansy mustard, pinnate tansy mustard, western tansy mustard
Descurainia: in honor of Francois Descourain (1658-1740), a French pharmacist and botanist
pinnata: Latin for "featherlike;" feathered or feathery, pinnate, in reference to the leaves
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| Status: | Native |
| Plant: | erect, annual/biennial, 8"-28" tall forb |
| Flower: | yellow, 4-parted, 1/8" wide; inflorescence up to 12" long in a loose cluster of stalked flowers; blooms May-July |
| Fruit: | club-shaped pod, not drooping;  seeds in 2 rows |
| Leaf: | stem leaves 1-3 times pinnately-divided into fine, feathery leaflets |
| Habitat: | full to partial sun; dry; disturbed areas |
| (Glossary) |
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 Britton subsp. brachycarpa (Richardson) Detling&phog=Botanical Illustration&spcode=DESPINsBRA)
 Britton subsp. brachycarpa (Richardson) Detling&phog=PNW Weed Management Handbook&spcode=DESPINsBRA)
