familyFabaceae
subfamilyFabaceae subfam. Faboideae
genusTrifolium
speciesTrifolium longipes
subspeciesTrifolium longipes subsp. pygmaeum
Trifolium longipes subsp. pygmaeum
Canad. J. Bot. 47: 102. 1969.
Common names: Pygmy clover
Endemic
Basionym: Trifolium longipes var. pygmaeum A. Gray in J. C. Ives Rep. Colorado R. 4: 9. 1861
Synonyms: T. brachypus (S. Watson) Blankinship T. confusum Rydberg T. rusbyi Greene
Treatment appears in FNA Volume 11.
Herbs 5–30 cm; not rhizomatous; roots thickened, often fusiform, with a crown of buried stems. Inflorescences 10–25-flowered, globose, 1.5–2.5 cm diam. Pedicels (at least proximal, usually all) strongly reflexed in fruit, slender, 1.5–2 mm. Flowers 11–12 mm; calyx curly-pubescent throughout or at sinuses; corolla purple or pink, banner apex acute or acuminate. 2n = 16.
Phenology: Flowering Apr–Aug.
Habitat: Ponderosa pine or Engelmann spruce forests, aspen groves, open meadows.
Elevation: 700–3500 m.
Distribution
Ariz., Colo., N.Mex., Utah.
Discussion
Subspecies pygmaeum occurs in northeastern Arizona, southwestern and north-central Colorado, northwestern New Mexico, and southern Utah.
Selected References
None.
Lower Taxa
None.