Senecio soldanella

Perennials, 5-15(-20) cm (cau­dices branched, fibrous-rooted, roots fleshy). Herbage glabrous (or with hairs on peduncles). Stems single (often purplish-tinged). Leaves mostly basal; petiolate (petioles ± winged, lengths 1-3+ blades); blades broadly ovate to ovate-orbiculate, (1.5-)2.5-4.5(-6) × 1.5-4(-5) cm, bases truncate or tapered, margins weakly dentate or repand-denticulate to subentire (cauline leaves smaller, bractlike). Heads nodding, 1(-2). Calyculi of 3-5+ lanceolate to lance-linear bractlets (lengths ¹ / 2 - ² / 3 phyllaries). Phyllaries ± 21, (8-)10-16 mm, tips green. Ray florets ± 13+; corolla laminae 10-14 mm. Cypselae glabrous.

Flowering summer. Talus slopes; 3200-4000 m; Colo., N.Mex.