familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusTrifolium
speciesTrifolium longipes
subspeciesTrifolium longipes subsp. elmeri
Trifolium longipes subsp. elmeri
Canad. J. Bot. 47: 111. 1969.
Common names: Elmer’s clover
Endemic
Basionym: Trifolium elmeri Greene Pittonia 3: 223. 1897
Synonyms: T. longipes var. elmeri (Greene) McDermott
Treatment appears in FNA Volume 11.
Herbs 20–40 cm; rhizomatous; roots not fusiform, sometimes thickened. Leaflet blades linear to elliptic-linear to broadly elliptic. Inflorescences 10–30-flowered, subglobose, 1.5–2 cm diam. Pedicels erect or proximalmost horizontal or slightly reflexed in fruit, stout, to 1 mm. Flowers 10–14 mm; calyx sparsely hairy, lobes often ± rigid, 6 times tube, tube veins usually prominent; corolla white, lavender, or pink, banner apex acute or acuminate. 2n = 16.
Phenology: Flowering May–Aug.
Habitat: Meadows.
Elevation: 50–2500 m.
Discussion
Subspecies elmeri occurs in northwestern California and southwestern Oregon.
Selected References
None.
Lower Taxa
None.