Claytonia rosea |
Claytonia tuberosa |
|
---|---|---|
Madrean springbeauty, Rocky Mountain Spring beauty, western springbeauty |
Beringian Spring beauty, tuberous spring-beauty |
|
Habit | Plants perennial, with globose tubers 20–100 mm; periderm 5–10 mm. | Plants perennial, with globose tubers 10–30 mm, rarely rhizomatous; periderm 5–20 mm. |
Stems | 2–15 cm. |
15–25 cm. |
Leaves | basal leaves sometimes absent, petiolate, blade linear to narrowly spatulate, 1–7 × 0.4–2 cm, apex acute to obtuse; cauline leaves petiolate, blade linear, 2–5 cm, apex acute to obtuse. |
basal leaves usually absent or few, blade linear, 4–15 × 0.4–0.8 cm; cauline leaves sessile, blade linear to lanceolate, 2–7 × 0.2–0.6 cm, tapered to slender base, apex acute. |
Inflorescences | multibracteate, rarely 1-bracteate; proximalmost bract leaflike, distal bracts reduced to membranous scales. |
1–multibracteate; proximalmost bract leaflike, distal bracts minute, membranous scales. |
Flowers | 8–14 mm diam.; sepals 3–5 mm; petals pink, rose, or magenta, 8–10 mm; ovules 6. |
12–20 mm diam.; sepals 4–6 mm; petals white with yellow blotch at base, 6–14 mm; ovules 6. |
Seeds | 2–3 mm, shiny and smooth; elaiosome 1–2 mm. |
2–3 mm diam., shiny and smooth; elaiosome 1 mm. |
2n | = 16. |
= 16, 24, 30. |
Claytonia rosea |
Claytonia tuberosa |
|
Phenology | Flowering Feb–May. | Flowering May–Aug. |
Habitat | Hillsides and mesas of montane ponderosa and Chihuahuan pine and oak belts | Wet to moist stony tundra slopes |
Elevation | 800-2400 m (2600-7900 ft) | 0-1200 m (0-3900 ft) |
Distribution |
AZ; CO; NM; UT; Mexico
|
AK; BC; NT; YT; Asia (Siberia) |
Discussion | Claytonia rosea is morphologically distinct from C. lanceolata based on early cytological and ecological study of the two species by D. K. Halleck and D. Wiens (1966) and the author’s review of type material. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Claytonia czukczorum was included by S. L. Welsh (1974) and E. Hultén (1968) as a variety of C. tuberosa. Based upon the author’s study of type material, it is grouped with C. multiscapa. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 4, p. 472. | FNA vol. 4, p. 475. |
Parent taxa | Portulacaceae > Claytonia | Portulacaceae > Claytonia |
Sibling taxa | ||
Synonyms | C. lanceolata var. rosea | C. caroliniana var. tuberosa |
Name authority | Rydberg: Bull. Torrey Bot. Club 31: 404. (1904) | Pallas ex Willdenow: in J. J. Roemer et al., Syst. Veg. 5: 436. (1819) |
Web links |