Trifolium longipes subsp. elmeri

(Greene) J. M. Gillett

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.
Michael A. Vincent +  and John M. Gillett† +
(Greene) J. M. Gillett +
Trifolium elmeri +
Elmer’s clover +
Calif. +  and Oreg. +
50–2500 m. +
Meadows. +
Flowering May–Aug. +
Canad. J. Bot. +
T. longipes var. elmeri +
Trifolium longipes subsp. elmeri +
Trifolium longipes +
subspecies +