Claytonia rosea

Rydberg

Bull. Torrey Bot. Club 31: 404. 1904

Common names: Rocky Mountain spring beauty
Synonyms: Claytonia lanceolata var. rosea (Rydberg) R. J. Davis
Treatment appears in FNA Volume 4. Treatment on page 472. Mentioned on page 466, 469.

Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. Stems 2–15 cm. Leaves: basal leaves sometimes absent, petiolate, blade linear to narrowly spatulate, 1–7 × 0.4–2 cm, apex acute to obtuse; cauline leaves petiolate, blade linear, 2–5 cm, apex acute to obtuse. Inflorescences multibracteate, rarely 1-bracteate; proximalmost bract leaflike, distal bracts reduced to membranous scales. Flowers 8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. Seeds 2–3 mm, shiny and smooth; elaiosome 1–2 mm. 2n = 16.


Phenology: Flowering Feb–May.
Habitat: Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts
Elevation: 800-2400 m

Distribution

V4 947-distribution-map.gif

Ariz., Colo., N.Mex., Utah, Mexico.

Discussion

Claytonia rosea is morphologically distinct from C. lanceolata based on early cytological and ecological study of the two species by D. K. Halleck and D. Wiens (1966) and the author’s review of type material.

Selected References

None.

Lower Taxa

None.

... more about "Claytonia rosea"
John M. Miller +
Rydberg +
Rocky Mountain spring beauty +
Ariz. +, Colo. +, N.Mex. +, Utah +  and Mexico. +
800-2400 m +
Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts +
Flowering Feb–May. +
Bull. Torrey Bot. Club +
Claytonia lanceolata var. rosea +
Claytonia rosea +
Claytonia +
species +