Plants 4–40 cm; stems, leaves, and phyllaries densely villous to glabrate, eglandular (at least some hairs always perceptible on distal stems and on proximal portions of phyllaries). Leaf blades oblanceolate. Phyllaries 1-nerved, herbaceous or slightly tawny-indurate proximally; outer 0.8–1.2 mm wide proximally.

Distribution

• Generated Map
• Legacy Map

Calif., Idaho, Nev., Oreg., Wash., Wyo.

Discussion

Varieties 3 (3 in the flora).

Selected References

None.

Lower Taxa

Oreostemma alpigenum var. alpigenum, Oreostemma alpigenum var. andersonii, Oreostemma alpigenum var. haydenii

Key

1	Plants 5–18(–30) cm; basal leaf blades oblanceolate (30–)60–100(–150) × 6–12 mm, apices obtuse to rounded	Oreostemma alpigenum var. alpigenum
1	Plants 8–40 or 4–15 cm; basal leaf blades linear-oblanceolate to narrowly oblanceolate, 30–120(–350) × (1–)2–6(–9) mm, apices acute	> 2
2	Plants (4–)8–40(–70) cm; basal leaf blades (30–)80–120(–350) × (1–)2–6(–9) mm; cypselae strigillose	Oreostemma alpigenum var. andersonii
2	Plants 4–15 cm; basal leaf blades (30–)40–90(–120) × (1–)2–4(–6) mm; cypselae strigillose only distally	Oreostemma alpigenum var. haydenii