Erigeron pringlei

Perennials, 4-16 cm; taprooted, caudex branches relatively thick, short, retaining old leaf bases. Stems erect, sparsely to moderately strigose, eglandular. Leaves basal (persistent) and cauline; basal blades obovate-spatulate, (10-)20-60 × 4-10 mm, margins apically 3-lobed to pinnatifid (lobes 2-3(-5) pairs), faces sparsely strigose, eglandular; cauline blades narrowly oblanceolate, gradually reduced distally, margins entire. Heads 1(-3). Involucres 3.5-4.5 × 5-6 mm. Phyllaries in 3-4 series (purplish), glabrous or sparsely strigose, minutely glandular. Ray florets 20-35; corollas white to pinkish, sometimes with abaxial lilac midstripe, 6-8 mm, laminae reflexing. Disc corollas 2.5-3.5 mm. Cypselae 1.2-1.6 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae or lanceolate scales, inner (persistent) of 11-16 bristles.

Flowering May-Aug(-Sep). Ledges and crevices, usually shaded; of conservation concern; 1500-2800 m; Ariz.