Aciphylla glacialis

Stout, erect herb with robust rootstock, 25–60 cm high. Leaves stiff, mostly basal, some cauline, 2–3-pinnate, fan-like; lamina ovate or elliptic in outline, 10–30 cm long (including sheathing base), 4–9 cm wide; segments linear, acute with aristate tip; basal sheath 6–16 cm long, 10–20 mm wide. Male inflorescence slender, spreading, the female more robust and contracted with stouter peduncles; 7–16 umbellules per compound umbel. Flowers 2.5–3 mm diam.; petals 1–1.5 mm long; stamens often exceeding petals in male flowers. Fruit 5.5–10.5 mm long, 2–3 mm wide Flowers summer.