Claytonia rosea |
Claytonia rubra |
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Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
cushion miner's-lettuce, erubescent lettuce, erubescent miner's-lettuce, red miners lettuce, red stem spring beauty, red-stem miner's lettuce |
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Habit | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. | ||||
Stems | 2–15 cm. |
1–10 cm. |
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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 in flattened to suberect rosettes, 0.5–6 cm, blade with strong red pigmentation even in juvenile plants, narrowly rhombic to ovate, spatulate, or trullate, 0.5–1.5 × 0.5–1 cm, apex obtuse; cauline leaves distinct or connate on 1 side or perfoliate, sessile, blade ovate. |
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Inflorescences | multibracteate, rarely 1-bracteate; proximalmost bract leaflike, distal bracts reduced to membranous scales. |
1-bracteate; bract leaflike, 0.5–15 mm. |
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Flowers | 8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. |
2–5 mm diam.; sepals 1.5–2.5 mm; petals 2–3 mm, pinkish white to white; ovules 3. |
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Seeds | 2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
2–3 mm diam., shiny and smooth; elaiosome 1–2 mm. |
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2n | = 16. |
= 12, 24, 36. |
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Claytonia rosea |
Claytonia rubra |
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Phenology | Flowering Feb–May. | |||||
Habitat | Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts | |||||
Elevation | 800-2400 m (2600-7900 ft) | |||||
Distribution |
AZ; CO; NM; UT; Mexico
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CA; CO; ID; MT; NV; OR; SD; UT; WA; WY; 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.) |
Subspecies 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 4, p. 472. | FNA vol. 4, p. 473. | ||||
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | C. lanceolata var. rosea | Montia rubra | ||||
Name authority | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | (Howell) Tidestrom: Contr. U.S. Natl. Herb. 25: 188. (1925) | ||||
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