Description from Flora of China
Tanacetum adenanthum Diels, Notes Roy. Bot. Gard. Edinburgh 5: 187. 1912; Chrysanthemum adenanthum (Diels) Handel-Mazzetti.
Herbs, perennial, 20-30 cm tall; rhizomes short, with slender fibrous roots; cataphylls brown, ovate or ovate-lanceolate; indumentum of medifixed hairs. Stems erect, long branched, pubescent, especially in upper part and on peduncles. Middle stem leaves: petiole 3-5 mm; leaf blade ovate, broadly ovate, or broadly cuneate, 1.5-2 × 0.5-2 cm, abaxially gray-white, densely appressed pubescent, adaxially pale green, sparsely pubescent, 2-pinnatisect; primary lateral segments 1- or 2-paired; ultimate segments linear; lower and upper leaves 3-5-pinnatisect. Synflorescence a terminal flat-topped panicle. Capitula many. Involucres campanulate, 4-5 mm in diam.; phyllaries in 4 or 5 rows, scarious margin brown, apex rounded or obtuse, outer ones ovate-lanceolate or ovate, ca. 1.5 mm, abaxially pubescent, middle and inner ones elliptic or ovate-elliptic, 3-3.5 mm, middle ones pubescent abaxially. Florets yellow or orange, lower parts with sessile glands; marginal female florets ca. 7, corolla narrowly tubular, apex acutely 3- or 4-denticulate; disk florets many, corolla tubular.
● Mountain slopes, stony alpine meadows; 3000-3700 m. Hebei, NW Yunnan (Lijiang).