Page author: David Giblin
Trifolium longipes
long-stalked clover
WTU specimens
Other herbaria

Distribution: Common on both sides of the Cascades in Washington; British Columbia south to California, east to the Rocky Mountains.

Habitat: Meadows and valleys, lower mountains to subalpine slopes.

Flowers: May-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Pubescent perennial from a taproot with a branched crown, the stems 5-30 cm. tall, decumbent and often trailing and stoloniferous.

Leaves:

Leaves trifoliate, leaflets narrowly elliptic-lanceolate to oblanceolate, 2-6 cm. long, serrulate to entire; stipules ovate-lanceolate, 1-3 cm. long, lacerate to entire.

Flowers:

Heads terminal on the stems, 20- to 70-flowered, 1.5-3.5 cm. broad, sub-globose; peduncles usually exceeding the leaves; flowers creamy-yellow to purplish, 11-18 mm. long, erect to reflexed; pedicels 1-3 mm. long; calyx hairy, half as long as the corolla, the 5 teeth 2-4 times as long as the tube, awl-shaped, the upper 2 reduced; banner acute, wings acute and narrow, keel acute to rounded.

Fruits:

Pod 1- to 4-seeded.

Accepted Name:
Trifolium longipes Nutt.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. longipes – long-stalked clover
var. multiovulatum – long-stalked clover
var. multipedunculatum – long-stalked clover
var. reflexum – long-stalked clover
Additional Resources:

PNW Herbaria: Specimen records of Trifolium longipes in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Trifolium longipes checklist entry.

E-Flora BC: Trifolium longipes atlas page.

CalPhotos: Trifolium longipes photos.

USDA Plants: Trifolium longipes information.

50 photographs:
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