Oreomyrrhis argentea

Rosetted perennial to 25 cm high, silvery-sericeous throughout; taproot stout. Leaves basal, usually quite flat on ground, pinnate, lamina oblong in outline, 2.5–7.5 cm long, 0.5–2.0 cm wide, silvery with dense appressed hairs; leaflets 17–33, ovate to oblanceolate; petiole 0.5–5 cm long; base of leaf-sheath narrowly sheathing. Scape erect, densely silvery hairy with retrorse hairs, to c. 20 cm long (much longer than leaves) in fruit; umbels mainly 15–25-flowered; involucral bracts 6–8, broadly ovate, 2–4 mm long, silvery hairy, apices more or less obtuse. Petals white with dark midvein, occasionally pink, silvery hairy on the outside, c. 2 mm long. Fruit 10–20 per umbel on densely villous pedicels, ovate to oblanceolate, 3–5 mm long, dark brown to black, with 5 prominent thickened, tan to straw-yellow ribs. Flowers summer.