Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to California.
Habitat: Open, dry foothills.
Flowers: April-July
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies, flies
Sparsely hairy annual from a taproot, the simple to many-branched stem 1.5-7 dm. tall.
Leaves alternate, entire, somewhat short-hairy, oblong to lance-elliptic, up to 12 cm. long and 2 cm. wide.
Inflorescence a coiled false-raceme; sepals 5, free, 5-10 mm. long; corolla regular, 5-lobed, light yellow, 4-7 mm. long, the limb 1-3 mm. wide; stamens 5.
Fruit of 4 nutlets, 2-3.5 mm. long, gray to black.
Publication: Bot. Gaz. 61(1): 36. 1916.
Amsinckia micrantha Suksd.
PNW Herbaria: Specimen records of Amsinckia menziesii in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Amsinckia menziesii checklist entry.
OregonFlora: Amsinckia menziesii information.
E-Flora BC: Amsinckia menziesii atlas page.
CalPhotos: Amsinckia menziesii photos.
USDA Plants: Amsinckia menziesii information.
