Claytonia perfoliata |
Claytonia rosea |
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Indian lettuce, miner's-lettuce, miner's-lettuce spring-beauty, winter purslane |
Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
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Habit | Plants annual, with minute, tuberous bodies; periderm absent. | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | ||||||||
Stems | 5–50 cm. |
2–15 cm. |
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Leaves | basal leaves in suberect to erect, seldom flattened rosettes, petiolate, 1–30 cm, blade often with weak red pigmentation, broadly rhombic to deltate or reniform, 1–7 × 0.5–5(–6) cm, apex obtuse to apiculate, mucro 1–3 mm; cauline leaves sessile, blade perfoliate or cleft or notched, 10 cm diam. or less. |
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 | 3–10 mm; sepals 1.5–4 mm; petals pink or white, 2–5 mm; 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 | 2–5 mm, shiny and smooth; elaiosome 1–3 mm. |
2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
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2n | = 12, 24, 36, 48, 60. |
= 16. |
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Claytonia perfoliata |
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 |
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; BC; Central America (Guatemala); adventive in Europe; Pacific Islands (New Zealand)
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AZ; CO; NM; UT; Mexico
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Discussion | Subspecies 3 (3 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. 472. | FNA vol. 4, p. 472. | ||||||||
Parent taxa | ||||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Montia perfoliata | C. lanceolata var. rosea | ||||||||
Name authority | Donn ex Willdenow: Sp. Pl. 2: 1186. (1798) | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | ||||||||
Web links |
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