Claytonia megarhiza(synonym of Claytonia megarhiza var. nivalis) |
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alpine springbeauty |
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Habit | Plants perennial, with stout, woody caudices; periderm 5–12 mm. |
Stems | 5–25 cm. |
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. |
Inflorescences | multibracteate; bracts subtending pedicels, apex obtuse. |
Flowers | 12–20 mm diam; sepals 6–8 mm; petals white, pink, or rose, 5–20 × 3–8 mm; ovules 6. |
Seeds | 2–3 mm diam., shiny and smooth; elaiosome 1 mm or less. |
2n | = 12, 16, 24, 32, 34, 36. |
Claytonia megarhiza |
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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 |
Source | FNA vol. 4, p. 469. |
Parent taxa | Portulacaceae > Claytonia |
Sibling taxa | |
Synonyms | C. arctica var. megarhiza, C. megarhiza var. bellidifolia, C. megarhiza var. nivalis |
Name authority | (A. Gray) Parry ex S. Watson: Smithsonian Misc. Collect 258: 118. (1878) |
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