Perityle staurophylla

Perennials or subshrubs, 15-40 cm (often forming dense clumps, densely leafy); glabrous or puberulent. Leaves: petioles 10-25(-40) mm; blades usually deeply divided, 5-30 × 7-25 mm, lobes 3, relatively broad to linear, usually secondarily lobed, cleft, or parted, often ± cruciform, sometimes almost entire. Heads usually in corymbiform arrays, sometimes borne singly, 6-7.5 × 4.5-6 mm. Peduncles 4-25 mm. Involucres campanulate. Phyllaries 13-16(-22), sublanceolate, 3.4-4 × 0.7-1.1(-1.8) mm. Ray florets 0, or 4-8; corollas yellow, laminae oblong, 3.6-4.8 × 1.2-2.2 mm. Disc florets 40-50; corollas yellow, tubes 1.5-1.6 mm, throats subtubular to narrowly funnelform, 1.5-2 mm, lobes 0.6-0.8 mm. Cypselae oblanceolate, 1.8-2.3(-2.7) mm, margins thin-calloused, short-hairy; pappi of 2-3(-6) bristles 1.8-2.5 mm (at least the longer), often plus minute, hyaline scales.