黑垂头菊 hei chui tou ju

Stem solitary, erect, 15-35 cm tall, proximally glabrous, distally black pilose. Basal leaves petiolate; petiole 10-13 cm, glabrous, sheath amplexicaul; leaf blade reniform, 3-5 × 3.5-9 cm, glabrous, abaxially with conspicuous palmate veins, margin regularly triangular-dentate; sinus slightly broad. Stem leaf solitary, bracteal, ovate, ca. 1.5 cm, base enlarged sheathed; sheath to 6 × 1-2 cm, amplexicaul. Capitulum solitary, nodding. Involucre dark purple or black, hemispheric, ca. 1 × to 2 cm, base shortly black pilose, outside glabrous; phyllaries in 2 rows, often oblanceolate, apex obtuse, sparsely denticulate or erose; inner phyllaries 3-4 mm wide. Florets numerous, all tubular, deep yellowish brown, 6-7 mm; tube 2-2.5 mm; limb ca. 2 mm wide. Achenes yellowish brown, cylindric, ca. 5 mm. Pappus white, as long as tubular corolla. Fl. Jul-Aug, fr. Aug-Sep.

Grassy slopes; ca. 4000 m. Yunnan (Zhongdian) [NE Myanmar].