Claytonia rosea |
Claytonia cordifolia |
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Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
broad leaf springbeauty, cordate-leaf spring beauty, heart-leaf spring-beauty |
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Habit | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | Plants perennial, rhizomatous; rhizomes 4–8 mm diam.; periderm absent. |
Stems | 2–15 cm. |
5–30 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, blade ovate to deltate or cordate, 2–7 × 1–5 cm; cauline leaves sessile, blade ovate, 1–4 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. |
10–15 mm diam.; sepals 4–8 mm; petals white, 8–12 mm; ovules 6. |
Seeds | 2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
(1–)6, 1–2 mm diam., shiny and smooth; elaiosome 1 mm or less. |
2n | = 16. |
= 10, 20. |
Claytonia rosea |
Claytonia cordifolia |
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Phenology | Flowering Feb–May. | Flowering May–Sep. |
Habitat | Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts | Meadows, seeps |
Elevation | 800-2400 m (2600-7900 ft) | 500-2000 m (1600-6600 ft) |
Distribution |
AZ; CO; NM; UT; Mexico
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CA; ID; MT; NV; OR; UT; WA; BC
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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.) |
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Source | FNA vol. 4, p. 472. | FNA vol. 4. |
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia |
Sibling taxa | ||
Synonyms | C. lanceolata var. rosea | C. sibirica var. cordifolia, Montia cordifolia |
Name authority | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | S. Watson: Proc. Amer. Acad. Arts 17: 365. (1882) |
Web links |
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