Eremogone capillaris var. americana

(Maguire) R. L. Hartman & Rabeler

Sida 21: 239. 2004.

Common names: Fescue sandwort
Endemic
Basionym: Arenaria capillaris subsp. americana Maguire Bull. Torrey Bot. Club 74: 41. 1947
Synonyms: Arenaria capillaris var. americana (Maguire) R. J. Davis Eremogone americana
Treatment appears in FNA Volume 5. Treatment on page 60. Mentioned on page 68.

Stems (3–)5–15(–25) cm, glabrous and glaucous proximally, stipitate-glandular distally. Pedicels stipitate-glandular. Flowers: sepals stipitate-glandular; ovary often with uniseriate, 3–8-celled hairs in proximal 1/2 or throughout. Capsules often with uniseriate, 3–8-celled hairs in distal 1/2 or throughout. 2n = 22.


Phenology: Flowering late spring–summer.
Habitat: Alpine meadows, talus slopes, aspen woods
Elevation: 1200-3000 m

Distribution

V5 119-distribution-map.gif

Alta., B.C., Idaho, Mont., Nev., Oreg., Wash.

Discussion

M. F. Baad (1969) reported populations from Idaho, Nevada, Oregon, and Wyoming that he considered to be intermediate between var. americana and Eremogone kingii var. glabrescens, and one from central Washington that he considered to be intermediate between var. americana and E. congesta var. prolifera.

Selected References

None.

Lower Taxa

None.
Ronald L. Hartman +, Richard K. Rabeler +  and Frederick H. Utech +
(Maguire) R. L. Hartman & Rabeler +
Arenaria capillaris subsp. americana +
Fescue sandwort +
Alta. +, B.C. +, Idaho +, Mont. +, Nev. +, Oreg. +  and Wash. +
1200-3000 m +
Alpine meadows, talus slopes, aspen woods +
Flowering late spring–summer. +
Arenaria capillaris var. americana +  and Eremogone americana +
Eremogone capillaris var. americana +
Eremogone capillaris +
variety +