Stems solitary, erect or ± flexuous, 30-75 cm tall, sparsely puberulent or glabrous. Basal and lower stem leaves shed by anthesis; median stem leaves petiolate; blade ovate-oblong, 5-10 × 3-6 cm, rather thickly herbaceous, glabrous or abaxially sparsely white pilose on veins, pinnatipartite with 3-5 lateral lobes on each side; lateral lobes subopposite or alternate, oblong, margin acutely coarsely (1-)3-5-dentate, apex acute or acuminate. Capitula (4-)15-30 in terminal subumbelliform corymbs, 1.5-2 cm across ray florets; peduncles 1.5-3(-4) cm, slender, sparsely fulvous puberulent. Involucres broadly campanulate or subhemispheric, 3-4 mm in diam.; phyllaries 10-13, subuniseriate to subbiseriate, oblong, ca. 5 × 1-1.5 mm, glabrous, with puberulent tips and scarious margins, obscurely 3-5-veined, apex acute or acuminate. Ray florets 7 or 8; corolla tube ca. 3 mm; lamina linear-oblong, 5-7 × 1-1.5 mm, 4-veined, apically 3-dentate. Disk florets many; corolla yellow, 4-4.5 mm, with tube ca. 2 mm and distinctly campanulate limb; lobes 5, equal, ovate-triangular. Anthers 1-1.2 mm, obtuse to rounded at base. Style branches ca. 0.7 mm. Achenes narrowly cylindric, 1.3-1.5 mm, minutely puberulent. Pappus persistent, 4-5 mm. Fl. Aug.
Home