Claytonia rosea |
Claytonia exigua |
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Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
little spring beauty, pale claytonia, pale spring-beauty, pallid claytonia, serpentine springbeauty |
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Habit | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | Plants annual, with minute, tuberous bodies; periderm absent. | ||||
Stems | 2–15 cm. |
5–10 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. |
blades gray, beige, or pink, glaucous; basal leaf blades linear or spatulate, 1–6 × 0.05–0.5 cm; cauline leaves sessile, distinct or partially connate into horn shape, blade spatulate, 0.2–4.5 cm, or subperfoliate, blade 0.2–4.5 cm wide. |
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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. |
3–5 mm diam.; sepals 1.5–2.5 mm; petals white or pinkish, 2–5 mm; ovules 3. |
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Seeds | 2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
0.5–1 mm, tuberculate; elaiosome inserted in wide notch of seed coat, 0.5–1 mm. |
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2n | = 16. |
= 16, 32, 48. |
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Claytonia rosea |
Claytonia exigua |
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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; NV; OR; 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.) |
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. 468. | ||||
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | C. lanceolata var. rosea | |||||
Name authority | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | Douglas ex Torrey & A. Gray: Fl. N. Amer. 1: 200. (1838) | ||||
Web links |
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