Claytonia rubra |
Claytonia cordifolia |
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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 |
broad leaf springbeauty, cordate-leaf spring beauty, heart-leaf spring-beauty |
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Habit | Plants annual, sometimes overwintering and biennial, with minute, shortened, tuberous bodies; periderm absent. | Plants perennial, rhizomatous; rhizomes 4–8 mm diam.; periderm absent. | ||||
Stems | 1–10 cm. |
5–30 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 petiolate, blade ovate to deltate or cordate, 2–7 × 1–5 cm; cauline leaves sessile, blade ovate, 1–4 cm. |
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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. |
10–15 mm diam.; sepals 4–8 mm; petals white, 8–12 mm; ovules 6. |
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Seeds | 2–3 mm diam., shiny and smooth; elaiosome 1–2 mm. |
(1–)6, 1–2 mm diam., shiny and smooth; elaiosome 1 mm or less. |
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2n | = 12, 24, 36. |
= 10, 20. |
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Claytonia rubra |
Claytonia cordifolia |
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Phenology | Flowering May–Sep. | |||||
Habitat | Meadows, seeps | |||||
Elevation | 500-2000 m (1600-6600 ft) | |||||
Distribution |
CA; CO; ID; MT; NV; OR; SD; UT; WA; WY; BC
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CA; ID; MT; NV; OR; UT; WA; BC
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Discussion | Subspecies 2 (2 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. 473. | FNA vol. 4. | ||||
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Montia rubra | C. sibirica var. cordifolia, Montia cordifolia | ||||
Name authority | (Howell) Tidestrom: Contr. U.S. Natl. Herb. 25: 188. (1925) | S. Watson: Proc. Amer. Acad. Arts 17: 365. (1882) | ||||
Web links |
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