familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusTrifolium
speciesTrifolium longipes
subspeciesTrifolium longipes subsp. oreganum
Trifolium longipes subsp. oreganum
Canad. J. Bot. 47: 103. 1969.
Common names: Oregon clover
Endemic
Basionym: Trifolium oreganum Howell Erythea 1: 110. 1893
Synonyms: T. longipes var. oreganum (Howell) Isely T. rusbyi subsp. oreganum (Howell) D. Heller & Zohary
Treatment appears in FNA Volume 11.
Herbs 7–25 cm; not rhizomatous; taproots slender, bearing a crown of pilose wiry stems. Inflorescences 10–25-flowered, globose or obconic, 2–2.8 cm diam. Pedicels (at least proximal, usually all) strongly reflexed in fruit, slender, 1.5–2 mm. Flowers 11–13 mm; calyx sparsely hairy; corolla pink or white, often bicolored, banner apex acute or acuminate.
Phenology: Flowering May–Jun.
Habitat: Forested slopes.
Elevation: 1200–1900 m.
Distribution
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Calif., Oreg.
Discussion
Subspecies oreganum is found in northwestern California and southwestern Oregon.
Selected References
None.
Lower Taxa
None.