Claytonia megarhiza(synonym of Claytonia megarhiza var. nivalis) |
Claytonia nevadensis |
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alpine springbeauty |
Sierra Nevada claytonia, Sierra Spring beauty |
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Habit | Plants perennial, with stout, woody caudices; periderm 5–12 mm. | Plants perennial, rhizomatous; rhizome 4–8 mm diam.; periderm 5–15 mm. |
Stems | 5–25 cm. |
3–10 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. |
basal leaves sessile, blade spatulate to rhombic or ovate, 2–10 × 0.2–3 cm; cauline leaves sessile, blade ovate, 0.5–2 × 0.2–0.5 cm. |
Inflorescences | multibracteate; bracts subtending pedicels, apex obtuse. |
ebracteate. |
Flowers | 12–20 mm diam; sepals 6–8 mm; petals white, pink, or rose, 5–20 × 3–8 mm; ovules 6. |
12–16 mm diam.; sepals 2–3 mm; petals pink to magenta, 8–12 mm; ovules 6. |
Seeds | 2–3 mm diam., shiny and smooth; elaiosome 1 mm or less. |
(1–)6, 2–3 mm, shiny and smooth; elaiosome 1 mm or less. |
2n | = 12, 16, 24, 32, 34, 36. |
= 14. |
Claytonia megarhiza |
Claytonia nevadensis |
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Phenology | Flowering May–Aug. | Flowering May–Aug. |
Habitat | Talus, scree, gravelly slopes | Mountain fell-fields |
Elevation | 2000-4000 m (6600-13100 ft) | 2000-3500 m (6600-11500 ft) |
Distribution |
CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; NT |
CA; NV; OR
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Source | FNA vol. 4, p. 469. | FNA vol. 4, p. 470. |
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia |
Sibling taxa | ||
Synonyms | C. arctica var. megarhiza, C. megarhiza var. bellidifolia, C. megarhiza var. nivalis | Montia nevadensis |
Name authority | (A. Gray) Parry ex S. Watson: Smithsonian Misc. Collect 258: 118. (1878) | S. Watson: in W. H. Brewer et al., Bot. California 1: 77. (1876) |
Web links |
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