Claytonia rubra |
Claytonia umbellata |
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cushion miner's-lettuce, erubescent lettuce, erubescent miner's-lettuce, red miners lettuce, red stem spring beauty, red-stem miner's lettuce |
Great Basin claytonia, Great Basin springbeauty, umbellate springbeauty |
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Habit | Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. | Plants perennial, with globose tubers 10–50 mm diam., mature plants rhizomatous; periderm 5–20 mm. | ||||
Stems | 1–10 cm. |
2–25 cm. |
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Leaves | basal leaves in flattened to suberect rosettes, 0.5–6 cm, blade with strong red pigmentation even in juvenile plants, narrowly rhombic to ovate, spatulate, or trullate, 0.5–1.5 × 0.5–1 cm, apex obtuse; cauline leaves distinct or connate on 1 side or perfoliate, sessile, blade ovate. |
basal leaves somtimes absent, petiolate, 5–25 cm, blade elliptic to rhombic, 1–3 × 0.2–2 cm; cauline leaves petiolate, blade elliptic to ovate 1.5–5 × 1–3 cm, abruptly tapered at base. |
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Inflorescences | 1-bracteate; bract leaflike, 0.5–15 mm. |
ebracteate. |
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Flowers | 2–5 mm diam.; sepals 1.5–2.5 mm; petals 2–3 mm, pinkish white to white; ovules 3. |
8–14 mm diam.; sepals 5–7 mm; petals pink to magenta, 6–12 mm; ovules 6. |
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Seeds | 2–3 mm diam., shiny and smooth; elaiosome 1–2 mm. |
1–2 mm, smooth and shiny; elaiosome 1 mm or less. |
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2n | = 12, 24, 36. |
= 16. |
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Claytonia rubra |
Claytonia umbellata |
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Phenology | Flowering May–Aug. | |||||
Habitat | North- and east-facing talus and scree slopes of drier mountain areas, subalpine coniferous forests | |||||
Elevation | 100-3000 m (300-9800 ft) | |||||
Distribution |
CA; CO; ID; MT; NV; OR; SD; UT; WA; WY; BC
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CA; OR
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Discussion | Subspecies 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 4, p. 473. | FNA vol. 4, p. 475. | ||||
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Montia rubra | |||||
Name authority | (Howell) Tidestrom: Contr. U.S. Natl. Herb. 25: 188. (1925) | S. Watson: Botany (Fortieth Parallel), 43, plate 6, figs. 4, 5. (1871) | ||||
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