Page author: David Giblin
Agoseris aurantiaca
orange agoseris
WTU specimens
Other herbaria

Distribution: Both sides of the Cascades in Washington; Alaska to California, east to Wyoming and New Mexico.

Habitat: Mid- to high elevations in the mountains.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Scapose, usually glabrous perennial, 1-6 dm. tall, with milky juice.

Leaves:

Leaves all basal, 5-35 cm. long and 1-30 mm. wide, rounded to pointed, entire, or with a few divergent teeth or lobes.

Flowers:

Head solitary on the scape; involucral bracts sub-equal, narrow and pointed; corollas all ligulate, burnt orange.

Fruits:

Achene body 5-9 mm. long, 10-nerved, abruptly narrowed to a slender beak, which is half as long to longer than the body.

Accepted Name:
Agoseris aurantiaca (Hook.) Greene
Publication: Pittonia. 2: 177. 1891.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. aurantiaca – orange agoseris    Alaska to California, east to Colorado
var. carnea – orange agoseris
Additional Resources:

PNW Herbaria: Specimen records of Agoseris aurantiaca in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Agoseris aurantiaca checklist entry.

E-Flora BC: Agoseris aurantiaca atlas page.

CalPhotos: Agoseris aurantiaca photos.

USDA Plants: Agoseris aurantiaca information.

54 photographs:
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