Page authors: Don Knoke, David Giblin
Erigeron caespitosus
tufted fleabane
Specimens
Photos

Distribution: Occurring east of the Cascades crest in Washington; Alaska to Washington, Idaho, Utah, and Arizona, east to the northern Great Plains.

Habitat: Dry, open, and often rocky places in sagebrush

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, butterflies, flies, apomixis?

Description:
General:

Herbaceous perennial from a stout taproot, the stems curved at the base, 5-30 cm. tall; herbage densely pubescent with short, spreading hairs.

Leaves:

Basal leaves oblanceolate to spatulate, rounded or obtuse, triple-nerved; cauline leaves linear to ovate-oblong.

Flowers:

Heads solitary to several; involucre 4-7 mm. high, imbricate, glandular and short grey-hairy, the bracts narrow and thickened on the back; rays pistillate, 30-100, blue, white or pink, 5-15 mm. long; disk flowers yellow; pappus double, the outer short, the inner of 15-25 bristles.

Fruits:

Achene

Accepted Name:
Erigeron caespitosus Nutt.
Publication: Trans. Amer. Philos. Soc., n. s. 7: 307. 1840.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Erigeron caespitosus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Erigeron caespitosus checklist entry.

OregonFlora: Erigeron caespitosus information.

E-Flora BC: Erigeron caespitosus atlas page.

CalPhotos: Erigeron caespitosus photos.

USDA Plants: Erigeron caespitosus information.

7 photographs:
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