Page authors: Don Knoke, David Giblin
Packera subnuda
alpine meadow butterweed, few-leaved groundsel
WTU specimens
Other herbaria

Distribution: Occurring in the Cascade Mountains of Washington; Washington south to California, east to Montana and Wyoming.

Habitat: Alpine and subalpine wet meadows.

Flowers: July-September.

Origin: Native

Conservation Status: Not of concern

Description:
General:

Glabrous, fibrous-rooted perennial from a short, slender rhizome, 5-30 cm. tall.

Leaves:

: Leaves alternate, small, the basal ones sub-rotund or broadly obovate with wavy margins, on long petioles, the blades up to 2.5 cm. long and 2 cm. wide; cauline leaves few and reduced, the stem sometimes naked.

Flowers:

Heads usually solitary, the disk 8-15 mm. wide; involucre 5-8 mm. high, the bracts sometimes purplish-tipped; rays 7-14 mm. long, yellow.

Fruits:

Achene

Identification Notes:

A Packera with a large, single head growing in a wet alpine meadow is probably this species.

Accepted Name:
Packera subnuda (DC.) Trock & T.M. Barkley
Publication: Sida. 18: 635. 1999.

Synonyms & Misapplications:
Packera buekii Trock & T.M. Barkley
Senecio aureus L. var. subnudus (DC.) A. Gray
Senecio cymbalarioides Buek [HC]
Senecio subnudus DC.
Infraspecies:
var. subnuda – alpine meadow butterweed, few-leaved groundsel    In the Cascade Mountains of Washington; British Columbia south to California, east to Alberta, Montana, and Wyoming.
Additional Resources:

PNW Herbaria: Specimen records of Packera subnuda in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Packera subnuda checklist entry.

E-Flora BC: Packera subnuda atlas page.

CalPhotos: Packera subnuda photos.

USDA Plants: Packera subnuda information.

18 photographs:
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