华蟹甲 hua xie jia

Senecio tanguticus Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg 27: 486. 1882; Ligularia tangutica (Maximowicz) Mattfeld; Senecillis tangutica (Maximowicz) Kitamura; Senecio henryi Hemsley.

Rhizomes tuberiform, 1-1.5 cm in diam., with numerous fibrous roots. Stems robust, fistulose, 50-100 cm tall, 5-6 mm in diam., simple, sparsely arachnoid when young, or glabrous at base, puberulent with brown hairs in upper parts. Lower stem leaves fallen by anthesis, petiolate. Petiole of median stem leaves 3-6 cm, expanded and subamplexicaul at base, sparsely puberulent or subglabrous; blade of median stem leaves adaxially dark green, ovate or ovate-cordate, 10-16 × 10-15 cm, thickly papery, abaxially puberulent and sparsely arachnoid, adaxially sparsely adpressed hispidulous at least on veins, distinctly pinnately veined, base subtruncate or weakly cordate, margin deeply pinnatisect with 3 or 4 lateral lobes on each side, apex mucronate; lateral lobes subopposite, narrowly to broadly oblong, with a few acute marginal teeth or lobules. Upper stem leaves smaller, shortly petiolate. Capitula small, numerous, arranged in terminal often broad and much branched, compound paniculoid thyrses; axes and peduncles fulvous glandular puberulent; peduncles 2-3 mm, slender, with 2 or 3 small linear-acuminate bracteoles. Involucres cylindric, 8-10 × 1.5-2 mm; phyllaries 4 or 5, linear-oblong, 0.5-1.5 mm wide, with obtuse minutely puberulent tips and narrow scarious margins. Ray florets 2 or 3, yellow, with ca. 4.5 mm tube; lamina oblong-lanceolate, 13-14 × ca. 2 mm, 4-veined, apically minutely 2-dentate. Disk florets 4, rarely 7; corollas yellow, 8-9 mm, with 2-2.5 mm tube and funnelform limb; lobes oblong-ovate, ca. 1.5 mm, apically acuminate; anthers oblong, 3.5-3.7 mm, shortly caudate; appendages oblong, apically acuminate; style branches ca. 1.5 mm, papillose, obtuse. Achenes cylindric, ca. 3 mm, glabrous, ribbed. Pappus white, 7-8 mm. Fl. Jul-Aug, fr. Oct.

● Grassy slopes, cliffs, streamsides, meadows, roadsides, forest margins; 1200-3500 m. Gansu, Hebei, Henan, Hubei, Hunan, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan.