革叶华蟹甲 ge ye hua xie jia

Senecio caroli C. Winkler, Trudy Imp. S.-Peterburgsk. Bot. Sada 13: 7. 1893; Cacalia caroli (C. Winkler) C. C. Chang.

Rhizomes fusiform, 5-6 mm in diam., subglabrous, with numerous fibrous roots. Stem solitary, erect or ascending, often flexuous, 2-3 mm in diam. at base, leafless in lower part, 15-40 cm tall, sparsely puberulent or subglabrous. Radical and lower leaves fallen by anthesis. Stem leaf petiole 2.5-6 cm, sparsely puberulent, expanded and somewhat amplexicaul at base; blade abaxially pale green or purplish, adaxially dark green, suborbicular or subflabelliform, 2-4 × 3-6 cm, leathery or subleathery, abaxially fulvous puberulent or glabrescent, adaxially glabrous, basally palmately 7-9-veined, veins distinctly prominent abaxially, base truncate or weakly cordate, rarely broadly cuneate, margin coarsely palmately dentate-lobulate with apically cartilaginous-mucronate teeth, ± revolute. Upper stem leaves progressively smaller with shorter petioles. Uppermost leaves bractlike, lanceolate or linear-lanceolate, apically cartilaginous mucronate. Capitula solitary or 3-5 arranged in lax corymbs, medium-sized, 2.5-6 cm in diam.; peduncles 3-5 cm, slender, usually 5-7-bracteolate. Involucres obconic-campanulate, 12-13 × 5-7 mm; phyllaries 8, oblong-linear or linear, ca. 12 × 2-3 mm, ± glabrous, with white puberulent tips and scarious margins, apex acute or subobtuse. Ray florets 6-8, yellow, corolla tube ca. 6 mm; lamina oblong-lanceolate, 8-11 × 2.5-3 mm, 4-6-veined, apically minutely 3-dentate. Disk florets numerous; corolla yellow, 9-9.5 mm, with 4-4.5 mm tube and funnelform limb; lobes oblong-ovate, ca. 2 mm, apically acute. Anthers dark brown, oblong, ca. 3.5 mm, shortly obtusely caudate; appendages ovate-oblong; style branches ca. 1.5 mm, apically obtuse, papillose. Achenes cylindric, ca. 4 mm, glabrous, ribbed. Pappus 9-9.5 mm. Fl. Jul-Aug.

● Roadsides, forest understories, valleys; 1000-2900 m. Gansu (Têwo), Sichuan.