Difference between revisions of "Claytonia tuberosa"
in J. J. Roemer et al., Syst. Veg. 5: 436. 1819.
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|accepted_name=Claytonia tuberosa | |accepted_name=Claytonia tuberosa | ||
| − | |accepted_authority=Pallas ex Willdenow | + | |accepted_authority=Pallas ex Willdenow |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in J. J. Roemer et al., Syst. Veg. | |title=in J. J. Roemer et al., Syst. Veg. | ||
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|name=Claytonia caroliniana var. tuberosa | |name=Claytonia caroliniana var. tuberosa | ||
|authority=(Pallas ex Willdenow) B. Boivin | |authority=(Pallas ex Willdenow) B. Boivin | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Portulacaceae;Claytonia;Claytonia tuberosa | |hierarchy=Portulacaceae;Claytonia;Claytonia tuberosa | ||
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name=Claytonia tuberosa | name=Claytonia tuberosa | ||
| − | + | |authority=Pallas ex Willdenow | |
| − | |authority=Pallas ex Willdenow | ||
|rank=species | |rank=species | ||
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|publication year=1819 | |publication year=1819 | ||
|special status= | |special status= | ||
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|genus=Claytonia | |genus=Claytonia | ||
|species=Claytonia tuberosa | |species=Claytonia tuberosa | ||
Latest revision as of 22:01, 5 November 2020
Plants perennial, with globose tubers 10–30 mm, rarely rhizomatous; periderm 5–20 mm. Stems 15–25 cm. Leaves: 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 1–multibracteate; proximalmost bract leaflike, distal bracts minute, membranous scales. Flowers 12–20 mm diam.; sepals 4–6 mm; petals white with yellow blotch at base, 6–14 mm; ovules 6. Seeds 2–3 mm diam., shiny and smooth; elaiosome 1 mm. 2n = 16, 24, 30.
Phenology: Flowering May–Aug.
Habitat: Wet to moist stony tundra slopes
Elevation: 0-1200 m
Distribution
B.C., N.W.T., Yukon, Alaska, Asia (Siberia).
Discussion
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.
Selected References
None.