Claytonia megarhiza(synonym of Claytonia megarhiza var. nivalis) |
Claytonia washingtoniana |
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alpine springbeauty |
Lake Washington claytonia, Lake Washington miner's lettuce, Lake Washington springbeauty, Suksdorf's Spring beauty, Washington spring-beauty |
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Habit | Plants perennial, with stout, woody caudices; periderm 5–12 mm. | Plants annual, with minute, tuberous body; periderm absent. |
Stems | 5–25 cm. |
3–15 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 petiolate, 2–30 cm, blade rhombic or ovate, 2–3 cm; cauline leaves sessile, distinct or slightly connate on 1 side only, blade ovate, 1–3 cm. |
Inflorescences | multibracteate; bracts subtending pedicels, apex obtuse. |
multibracteate, or with 2–several bracts near base of inflorescence; bracts leaflike, 2–10 mm. |
Flowers | 12–20 mm diam; sepals 6–8 mm; petals white, pink, or rose, 5–20 × 3–8 mm; ovules 6. |
4–8 mm diam.; sepals 2–3.5 mm; petals pink, 3–4 mm; ovules 3. |
Seeds | 2–3 mm diam., shiny and smooth; elaiosome 1 mm or less. |
1–2 mm diam., shiny and smooth; elaiosome 1 mm. |
2n | = 12, 16, 24, 32, 34, 36. |
= 24. |
Claytonia megarhiza |
Claytonia washingtoniana |
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Phenology | Flowering May–Aug. | Flowering Jan–Jun. |
Habitat | Talus, scree, gravelly slopes | Coastal bluffs and disturbed places associated with red alder and moss mats in boulders and cliffs of moist coastal forests |
Elevation | 2000-4000 m (6600-13100 ft) | 0-500 m (0-1600 ft) |
Distribution |
CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; NT |
CA; OR; WA; BC
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Discussion | Claytonia washingtoniana is a fertile hybrid between C. sibirica and C. perfoliata. of conservation concern (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 4, p. 469. | FNA vol. 4, p. 475. |
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia |
Sibling taxa | ||
Synonyms | C. arctica var. megarhiza, C. megarhiza var. bellidifolia, C. megarhiza var. nivalis | Montia washingtoniana |
Name authority | (A. Gray) Parry ex S. Watson: Smithsonian Misc. Collect 258: 118. (1878) | (Suksdorf) Suksdorf: Werdenda 1: 10. (1923) |
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