Claytonia megarhiza(synonym of Claytonia megarhiza var. nivalis) |
Claytonia perfoliata |
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alpine springbeauty |
Indian lettuce, miner's-lettuce, miner's-lettuce spring-beauty, winter purslane |
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Habit | Plants perennial, with stout, woody caudices; periderm 5–12 mm. | Plants annual, with minute, tuberous bodies; periderm absent. | ||||||||
Stems | 5–25 cm. |
5–50 cm. |
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Leaves | basal leaves sessile, dilated at base into broad, succulent sheath, blade rhombic to oblanceolate, 2–10 × 0.4–2.8 cm, apex obtuse; cauline leaves sessile, blade oblanceolate, 2–10 × 2–5 mm. |
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. |
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Inflorescences | multibracteate; bracts subtending pedicels, apex obtuse. |
1-bracteate; bract leaflike, 0.5–15 mm. |
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Flowers | 12–20 mm diam; sepals 6–8 mm; petals white, pink, or rose, 5–20 × 3–8 mm; ovules 6. |
3–10 mm; sepals 1.5–4 mm; petals pink or white, 2–5 mm; ovules 3. |
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Seeds | 2–3 mm diam., shiny and smooth; elaiosome 1 mm or less. |
2–5 mm, shiny and smooth; elaiosome 1–3 mm. |
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2n | = 12, 16, 24, 32, 34, 36. |
= 12, 24, 36, 48, 60. |
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Claytonia megarhiza |
Claytonia perfoliata |
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Phenology | Flowering May–Aug. | |||||||||
Habitat | Talus, scree, gravelly slopes | |||||||||
Elevation | 2000-4000 m (6600-13100 ft) | |||||||||
Distribution |
CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; NT |
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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Discussion | Subspecies 3 (3 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. 469. | FNA vol. 4, p. 472. | ||||||||
Parent taxa | ||||||||||
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Synonyms | C. arctica var. megarhiza, C. megarhiza var. bellidifolia, C. megarhiza var. nivalis | Montia perfoliata | ||||||||
Name authority | (A. Gray) Parry ex S. Watson: Smithsonian Misc. Collect 258: 118. (1878) | Donn ex Willdenow: Sp. Pl. 2: 1186. (1798) | ||||||||
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