Claytonia rosea |
Claytonia acutifolia |
|
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Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
Siberian narrow-leaf claytonia |
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Habit | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | Plants perennial, with stout, woody caudices; periderm beige to reddish when dried, 1–20 mm. |
Stems | 2–15 cm. |
5–40 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 flaring at base into broad, membranous sheath, or sheath absent, blade linear to linear-lanceolate or lanceolate, 5–18 × 0.3–1.4 cm, apex acute; cauline leaves sessile or petiolate, blade linear to lanceolate, 1–4 × 0.5–1 cm, apex acute. |
Inflorescences | multibracteate, rarely 1-bracteate; proximalmost bract leaflike, distal bracts reduced to membranous scales. |
multibracteate; bracts linear to subulate, 5–10 mm, apex acute. |
Flowers | 8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. |
10–18 mm diam.; sepals 6–12 mm, apex acute; petals white or pink to bright rose with yellow blotches at base, or white, 10–14 × 4–10 mm; ovules 6. |
Seeds | 2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
2–6, 2–3 mm diam., shiny and smooth to tuberculate; elaiosome 1–2 mm. |
2n | = 16. |
= 32. |
Claytonia rosea |
Claytonia acutifolia |
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Phenology | Flowering Feb–May. | Flowering Jun–Aug. |
Habitat | Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts | Marshy ground in moss and lichen tundra and alder and birch thickets, scree and talus of mountain slopes |
Elevation | 800-2400 m (2600-7900 ft) | 0-2000 m (0-6600 ft) |
Distribution |
AZ; CO; NM; UT; Mexico
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AK; Eurasia (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.) |
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Source | FNA vol. 4, p. 472. | FNA vol. 4, p. 467. |
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia |
Sibling taxa | ||
Synonyms | C. lanceolata var. rosea | C. acutifolia subsp. graminifolia, C. acutifolia var. graminifolia, C. eschscholtzii |
Name authority | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | Pallas ex Willdenow: in J. J. Roemer et al., Syst. Veg. 5: 436. (1819) |
Web links |