Claytonia rosea |
Claytonia arctica |
|
---|---|---|
Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
arctic claytonia, arctic springbeauty |
|
Habit | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | Plants perennial, with stout to slender, often fusiform, woody caudices; periderm 1–12 mm. |
Stems | 2–15 cm. |
1–10 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 leaves petiolate, often dilated at base, blade spatulate to elliptic, 2–15 × 0.5–1 cm, thinly herbaceous, apex obtuse; cauline leaves sessile, blade elliptic or oval, 0.5–2 × 0.5–1 cm. |
Inflorescences | multibracteate, rarely 1-bracteate; proximalmost bract leaflike, distal bracts reduced to membranous scales. |
ebracteate. |
Flowers | 8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. |
12–20 mm diam.; sepals 6–8 mm; petals yellow or white with yellow blotch at base, 10–12 × 3–8 mm; ovules 6. |
Seeds | 2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
2–3 mm diam., shiny and smooth to tuberculate; elaiosome 1–2 mm. |
2n | = 16. |
= 10. |
Claytonia rosea |
Claytonia arctica |
|
Phenology | Flowering Feb–May. | Flowering Jun–Jul. |
Habitat | Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts | Snow beds in talus, rocks, and gravels |
Elevation | 800-2400 m (2600-7900 ft) | 0-2000 m (0-6600 ft) |
Distribution |
AZ; CO; NM; UT; Mexico
|
AK; Russia |
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 | |
Name authority | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | Adams: Mém. Soc. Imp. Naturalistes Moscou 5: 94. (1817) |
Web links |