Page author: David Giblin
Amsinckia menziesii
harvest fiddleneck, rigid fiddleneck, rancher's fireweed

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.

Accepted Name:
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr.
Publication: Bot. Gaz. 61(1): 36. 1916.

Synonyms & Misapplications:
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. menziesii [JPM]
Amsinckia micrantha Suksd.
Additional Resources:

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

37 photographs:
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