藏南蟹甲草 zang nan xie jia cao

Senecio chola W. W. Smith, J. Proc. Asiat. Soc. Bengal 7: 72. 1911.

Rhizomes woody, densely yellow-brown tomentose on collar, with few fibrous roots. Stem solitary, erect, 50-100 cm tall, sulcate, simple or inflorescence-branched in upper part, sparsely puberulent in lower part, densely yellow-brown pubescent in upper part. Leaves long petiolate; petiole not winged, 7-11 cm, sparsely pubescent, not expanded at base; blade abaxially pale green, adaxially green, ovate or ovate-cordate, 10-18 × 9-17 cm, abaxially yellow-brown puberulent on veins, adaxially sparsely adpressed hairy, basally 3-5-veined, lateral veins branched from midvein, base cordate or subtruncate, margin irregularly coarsely, triangularly mucronulate-toothed, rarely 3-10-lobed, apex acute or acuminate. Capitula numerous, small, terminal and in upper leaf axils, crowded in paniculate racemes, sessile or subsessile, densely yellow-brown pubescent. Involucres cylindric, 2-5 mm; phyllaries 4-6, linear, 5-6 mm, densely puberulent, margin scarious, apically obtuse. Florets 2-6; corolla yellow, shorter than involucres. Achenes cylindric, ca. 2 mm, glabrous, ribbed. Pappus pale brown. Fl. Jul-Aug.

Forest understories; 3300-3800 m. S Xizang (Gyirong) [India (Sikkim), Kashmir, Nepal].