Page author: David Giblin
Amsinckia tessellata
tessellate fiddleneck
WTU specimens
Other herbaria

Distribution: Chiefly east of the Cascades in Washington; British Columbia south to California, east to Idaho, south to New Mexico.

Habitat: Roadsides and dry, open slopes and flats, often in disturbed soil.

Flowers: April-June

Origin: Native

Conservation Status: Not of concern

Description:
General:

Bristly-hairy annual from a taproot, the simple or moderately-branched stem 1.5-6 dm. tall.

Leaves:

Leaves alternate, entire, hairy, lance-oblong to lance-ovate, up to 10 cm. long and 1.5 cm. wide.

Flowers:

Inflorescence a coiled false-raceme, often with some blackish bristles; sepals 7-14 mm. long, those of many or all of the flowers reduced in number by lateral fusion, usually 4 (sometimes fewer), the broader one with 2 terminal teeth; corolla regular, 5-lobed, golden or orange, marked in the throat with vermillion, 7-12 mm. long, the limb 3-5 mm. wide; stamens 5.

Fruits:

Fruit of 4 nutlets, 2.5-3.5 mm. long, gray or brownish, roughened.

Accepted Name:
Amsinckia tessellata A. Gray

Synonyms:
(none provided)
Infraspecies:
var. tessellata – tessellate fiddleneck
Additional Resources:

PNW Herbaria: Specimen records of Amsinckia tessellata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Amsinckia tessellata checklist entry.

E-Flora BC: Amsinckia tessellata atlas page.

CalPhotos: Amsinckia tessellata photos.

USDA Plants: Amsinckia tessellata information.

34 photographs:
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