Page author: David Giblin
Phacelia sericea
silky phacelia
WTU specimens
Other herbaria

Distribution: In the Olympic and Cascade mountains of Washington; Alaska south to California, east to Montana and New Mexico.

Habitat: Open, often rocky areas, mid- to high elevations in the mountains.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern


Silky perennial from a branched, woody base and taproot, the several ascending stems 1-6 dm. tall.


Leaves pinnatifid, with entire or cleft segments, the basal and lower cauline leaves well-developed and persistent, the others somewhat reduced upward.


Inflorescence dense and terminal, composed of several short panicles; calyx divided nearly to the base, lobes 5; corolla bell-shaped, blue-purple or dark blue, persistent, 5-6 mm. long and wide, hairy inside and out; filaments long-exerted, 2-3 times as long as the corolla; style 6-13 mm. long, cleft nearly to the middle.


Fruit a capsule with 8-18 pitted seeds.

Accepted Name:
Phacelia sericea (Graham) A. Gray

Synonyms & Misapplications:
(none provided)
var. sericea – silky phacelia
Additional Resources:

PNW Herbaria: Specimen records of Phacelia sericea in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Phacelia sericea checklist entry.

E-Flora BC: Phacelia sericea atlas page.

CalPhotos: Phacelia sericea photos.

USDA Plants: Phacelia sericea information.

51 photographs:
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