Claytonia umbellata

S. Watson

Botany (Fortieth Parallel), 43, plate 6, figs. 4, 5. 1871

Common names: Great Basin claytonia
Treatment appears in FNA Volume 4. Treatment on page 475. Mentioned on page 465, 466.
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Plants perennial, with globose tubers 10–50 mm diam., mature plants rhizomatous; periderm 5–20 mm. Stems 2–25 cm. Leaves: 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. Inflorescences ebracteate. Flowers 8–14 mm diam.; sepals 5–7 mm; petals pink to magenta, 6–12 mm; ovules 6. Seeds 1–2 mm, smooth and shiny; elaiosome 1 mm or less. 2n = 16.

Phenology: Flowering May–Aug.
Habitat: North- and east-facing talus and scree slopes of drier mountain areas, subalpine coniferous forests
Elevation: 100-3000 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.