Page authors: David Giblin, Don Knoke
Cota tinctoria
golden chamomile, yellow chamomile, golden marguerite, Golden marguerite
WTU specimens
Other herbaria

Distribution: In scattered locations in Washington; widely distributed across northern half of North America.

Habitat: Disturbed areas, often where dry.

Flowers: July-September

Origin: Introduced

Conservation Status: Not of concern

Description:
General:

Short-lived, puberulent perennial, the stems 3-7 dm. tall, simple or sparingly branched.

Leaves:

Leaves pinnatifid, 2-5 cm. long, woolly beneath, with winged rachis and deeply toothed segments.

Flowers:

Heads solitary on long peduncles from the ends of branches; disk 12-18 mm. wide; rays 20-30, pistillate and fertile, 7-15 mm. long; receptacle chaffy throughout, its bracts narrow, with firm yellow awn tips equalling the flowers; pappus a very short crown.

Fruits:

Achenes quadrangular, nerved.

Accepted Name:
Cota tinctoria (L.) J. Gay ex Guss.
Publication: Fl. Sicul. Syn. 2: 867. 1845. 1845.

Synonyms & Misapplications:
Anthemis tinctoria L. [HC, Stace 1997]
Additional Resources:

PNW Herbaria: Specimen records of Cota tinctoria in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cota tinctoria checklist entry.

E-Flora BC: Cota tinctoria atlas page.

CalPhotos: Cota tinctoria photos.

USDA Plants: Cota tinctoria information.

11 photographs:
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