Potentilla argentea
hoary cinquefoil, silver cinquefoil
WTU specimens
Other herbaria

Distribution: Introduced and established in eastern United states and southern Canada; northeast Washington and a few places in Idaho.

Habitat: Sandy or gravely soil.

Flowers: June - July

Origin: Introduced

Conservation Status: Not of concern

Description:
General:

Herbaceous perennial from a woody base, the numerous stems 1.5-3 dm. tall, covered with a gray pubescence.

Leaves:

Leaves mainly cauline, 5-10 per stem, palmately divided, the leaflets 5, 1-2 cm. long, oblanceolate, with coarse serrate teeth over half way to the mid-vein; stipules lanceolate, entire, 4-8 mm. long.

Flowers:

Inflorescence open, branched, many-flowered, leafy-bracteate; calyx 4-6 mm. broad, silky, the 5 lobes ovate-lanceolate, 2-3 mm. long, alternating with linear, shorter bracteoles; petals 5, yellow, obovate with a wedge-shaped base, equaling the sepals; stamens 20; pistils numerous, the styles thickened and glandular at the base, tapered upward, attached to the end of the achene.

Fruits:

Achene 0.6-0.8 mm. long, the same length as the style.

Accepted Name:
Potentilla argentea L.
Publication: Sp. Pl. 1: 497. 1753.

Synonyms & Misapplications:
Argentina argentea (L.) Rydb.
Fragaria argentea Crantz
Additional Resources:

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

WA Flora Checklist: Potentilla argentea checklist entry.

E-Flora BC: Potentilla argentea atlas page.

CalPhotos: Potentilla argentea photos.

USDA Plants: Potentilla argentea information.

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