15. Blumea oxyodonta Candolle in Wight, Contr. Bot. India. 15. 1834.
尖齿艾纳香 jian chi ai na xiang
Placus oxyodontus (Candolle) Kuntze.
Perennials, with short taproot. Stems usually numerous, prostrate or ascending, 15-30(-40) cm, finely pubescent. Leaves ± sessile, elliptic to obovate, 1-5 × 0.5-1.5 cm, both surfaces sparsely to densely villous and stipitate glandular, base cuneate, margin with a few sharp subspinose teeth, apex acute. Capitula few in terminal and axillary panicles. Involucre ca. 4-seriate; phyllaries lanceolate to linear, 2-6 mm, with long eglandular hairs and some stalked glands. Receptacle glabrous. Corollas yellow, ca. 4 mm; lobes of marginal florets with few eglandular hairs, lobes of central florets with dense minute glandular pubescence and some long eglandular hairs. Anthers white, unribbed, ca. 0.6 mm. Pappus white, 3-4 mm. Fl. Mar-Jul. 2n = 18.
Grasslands, forests; 1200-1700 m. Yunnan [Bhutan, India, Myanmar, Nepal, Pakistan, Thailand, Vietnam].