Potentilla drummondii
Drummond's cinquefoil
WTU specimens
Other herbaria

Distribution: Alaska to California, east to Alberta, Montana and Utah; in the Olympic and Cascade Mountains of Washington

Habitat: Forest openings, meadows and high ridges, mid- to high elevations in the mountains

Flowers: July - August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Eglandular perennial from a branched base and short, thick rhizomes, the flowering stems 2.5-4.5 dm. tall.

Leaves:

Basal leaves pinnate, the leaflets 5-9, closely crowded, obovate, 2-5 cm. long, the upper 3 somewhat confluent, all cleft about midway to the mid-vein into linear or lanceolate teeth; stipules 1-2 cm. long, ovate, entire; cauline leaves few, much reduced.

Flowers:

Inflorescence open, many-flowered; calyx saucer-shaped, up to 1.5 cm. wide in fruit, the 5 ovate lobes slightly longer than the alternating lanceolate bracteoles; petals 5, yellow, obovate, 6-11 mm. long; stamens 20; pistils numerous, style slender, sub-terminal, longer than the achene.

Fruits:

Achene 1.5 mm. long.

Accepted Name:
Potentilla drummondii Lehm.

Synonyms & Misapplications:
Potentilla anomalofolia M. Peck
Potentilla cascadensis Rydb.
Potentilla dissecta var. drummondii Kurtz
Potentilla drummondii var. cascadensis Rydb.
Additional Resources:

PNW Herbaria: Specimen records of Potentilla drummondii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Potentilla drummondii checklist entry.

E-Flora BC: Potentilla drummondii atlas page.

CalPhotos: Potentilla drummondii photos.

USDA Plants: Potentilla drummondii information.

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