Claytonia rubra |
Claytonia rosea |
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cushion miner's-lettuce, erubescent lettuce, erubescent miner's-lettuce, red miners lettuce, red stem spring beauty, red-stem miner's lettuce |
Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
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Habit | Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | ||||
Stems | 1–10 cm. |
2–15 cm. |
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Leaves | 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. |
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. |
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Inflorescences | 1-bracteate; bract leaflike, 0.5–15 mm. |
multibracteate, rarely 1-bracteate; proximalmost bract leaflike, distal bracts reduced to membranous scales. |
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Flowers | 2–5 mm diam.; sepals 1.5–2.5 mm; petals 2–3 mm, pinkish white to white; ovules 3. |
8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. |
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Seeds | 2–3 mm diam., shiny and smooth; elaiosome 1–2 mm. |
2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
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2n | = 12, 24, 36. |
= 16. |
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Claytonia rubra |
Claytonia rosea |
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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 |
CA; CO; ID; MT; NV; OR; SD; UT; WA; WY; BC
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AZ; CO; NM; UT; Mexico
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Discussion | Subspecies 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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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Key |
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Source | FNA vol. 4, p. 473. | FNA vol. 4, p. 472. | ||||
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Montia rubra | C. lanceolata var. rosea | ||||
Name authority | (Howell) Tidestrom: Contr. U.S. Natl. Herb. 25: 188. (1925) | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | ||||
Web links |
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