委陵菊 wei ling ju

Dendranthema potentilloides (Handel-Mazzetti) C. Shih.

Herbs, perennial, 30-70 cm tall. Stems erect or bent at base, robust, corymbosely branched in upper parts, grayish white, densely and thickly appressed pubescent. Basal and lower stem leaves shed by anthesis. Middle stem leaves shortly petiolate, with divided auricle at base of petiole; leaf blade broadly ovate, ovate, or broadly triangular-ovate, 1.5-3 × 2-3.5 cm, abaxially grayish white, densely pubescent, adaxially green or pale green, sparsely pubescent, 2-pinnatisect; primary lateral segments 2-paired; ultimate segments elliptic, margin with few teeth or 1 tooth on one side. Distal leaves gradually smaller, similar to middle stem leaves. Synflorescence a flat-topped cyme. Capitula 1.5-2 cm in diam. Involucre cup-shaped; phyllaries in 4 rows, abaxially densely pubescent, scarious margin white or brown, outer ones linear or linear-oblanceolate, 3-4 mm, middle ones elliptic, 6-7 mm, inner ones shorter, ca. 5 mm. Ray floret lamina yellow, 8-10 mm, apex minutely 2- or 3-denticulate. Fl. summer.

● Foothills of low mountains; 1000-1500 m. Shaanxi, Shanxi.