紫枝兔儿风 zi zhi tu er feng

Herbs, perennial, 0.8-1.2 m tall. Leaves alternate above basal part of stem, deciduous in flowering seasons; petiole 5.5-11 cm, broadly winged; leaf blade ovate or broadly ovate, 7-12 × 5-9.5 cm, papery, palmate-pinnate veined, both surfaces sparsely pilose, sometimes glabrate when old, base shallowly cordate, margin obscurely denticulate, apex acute to shortly acuminate. Capitula shortly pedunculate, arranged in spikes, 3-flowered; involucre cylindric, 4-5 mm in diam.; phyllaries ca. 5-seriate, papery, abaxially glabrous, outer phyllaries ovate, 3-4 mm, inner narrowly lanceolate, ca. 1.5 cm. Florets bisexual, cleistogamous, corollas closed, tubular, minutely 5-lobed, ca. 7 mm, hidden in pappus, anther appendages rounded. Achenes subterete, ca. 5 mm, densely pilose; pappus dark white, ca. 9 mm. Fl. Sep-Oct.

● Forests, stream banks; 3000-3400 m. Sichuan, Yunnan.