Page author: David Giblin
Hieracium albiflorum
white flowered hawkweed, white hawkweed
WTU specimens
Other herbaria

Distribution: British Columbia to California, east to Colorado

Habitat: Open woods at moderate to mid-elevations in the mountains.

Flowers: June - August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennial from fibrous roots and a short rhizome, 3-13 dm. tall, a few long hairs on the lower stem, with milky juice.

Leaves:

Basal and lower cauline leaves persistent and tufted, mostly entire, 4-17 cm. long including the short petiole, and 1.2-4.5 cm. wide; middle and upper leaves sessile and reduced; stellate hairs wanting.

Flowers:

Heads several to many in an open inflorescence, on slender peduncles; involucre 6-11 mm. high, narrow, blackish-green, nearly glabrous; corollas 13-34, all ligulate and white; pappus of whitish capillary bristles.

Fruits:

Achenes ribbed and grooved longitudinally.

Accepted Name:
Hieracium albiflorum Hook.
Publication: Fl. Bor.-Amer. 1: 298. 1833. 1833.

Synonyms:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Hieracium albiflorum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Hieracium albiflorum checklist entry.

E-Flora BC: Hieracium albiflorum atlas page.

CalPhotos: Hieracium albiflorum photos.

USDA Plants: Hieracium albiflorum information.

42 photographs:
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