Claytonia rosea |
Claytonia arenicola |
|
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Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
Henderson's claytonia, sand claytonia, sand springbeauty, Snake Canyon springbeauty |
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Habit | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | Plants annual, with minute, tuberous body; periderm absent. |
Stems | 2–15 cm. |
2–10 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. |
basal leaf blades linear to narrowly lanceolate, 1–5 × 0.05–0.2 cm; cauline leaves sessile, blade linear, 1–3 cm. |
Inflorescences | multibracteate, rarely 1-bracteate; proximalmost bract leaflike, distal bracts reduced to membranous scales. |
multi-bracteate; proximalmost bract 5–10 mm, leaflike, distal bracts 1 mm or less, reduced to membranous scales. |
Flowers | 8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. |
10–12 mm diam.; sepals 1.5–2.5 mm; petals white, pink, or candy-striped, 6–10 mm; ovules 6. |
Seeds | 2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
(1–)6, 1–2 mm, shiny and smooth; elaiosome 1 mm or less. |
2n | = 16. |
= 12. |
Claytonia rosea |
Claytonia arenicola |
|
Phenology | Flowering Feb–May. | Flowering early Mar. |
Habitat | Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts | Selaginella mats and crevices of cliffs and rock faces in Great Basin sagebrush and ponderosa pine belt |
Elevation | 800-2400 m (2600-7900 ft) | 200-1200 m (700-3900 ft) |
Distribution |
AZ; CO; NM; UT; Mexico
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ID; MT; OR; WA
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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. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 4, p. 472. | FNA vol. 4, p. 467. |
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia |
Sibling taxa | ||
Synonyms | C. lanceolata var. rosea | Montia arenicola |
Name authority | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | L. F. Henderson: Bull. Torrey Bot. Club 22: 49. (1895) |
Web links |