小红菊 xiao hong ju

Chrysanthemum erubescens Stapf; C. maximoviczianum Y. Ling; C. maximoviczianum var. aristatomucronatum Y. Ling; Dendranthema chanetii (H. Léveillé) C. Shih; D. erubescens (Stapf) Tzvelev.

Herbs, perennial, 15-60 cm tall, with procumbent rhizomes. Stems erect, branched from base or middle, but usually apically corymbosely branched, sparsely pubescent especially below capitula, rarely glabrous. Lower and middle stem leaves: petiole 3-5 cm; leaf blade reniform, suborbicular, or broadly ovate, 2-5 cm, ca. as long as wide, both surfaces green, sparsely pilose or glabrous, base slightly cordate or truncate, palmate or palmate-pinnate, 3-5-lobed, rarely -partite; lobe margins obtusely dentate, lateral lobes small, terminal ones large. Upper stem leaves elliptic or narrowly elliptic, narrowly elliptic or broadly linear near synflorescence. Synflorescence a terminal flat-topped cyme. Capitula 3-12. Involucres cup-shaped, 5-15 mm in diam.; phyllaries in 4 or 5 rows, outer ones broadly linear, 5-9 mm, abaxially sparsely villous, margin lacerate, apex rounded, broadly scarious, middle and inner ones 6-10 mm, oblanceolate or triangular-ovate to narrowly linear-elliptic, 6-10 mm, scarious margin white or brown. Ray floret lamina white, pink, or purple, 1.2-2.2 cm, apex 2- or 3-denticulate. Achenes ca. 2 mm. Fl. and fr. Jul-Oct. 2n = 36*.

Grasslands, forest margins on mountain slopes, floodlands, by ditches; 300-2700 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi, Taiwan [Korea, Mongolia, Russia].

The identity of Chrysanthemum sibiricum (Candolle) Fischer ex Komarov var. sinoalpinum Nakai (J. Jap. Bot. 16: 75. 1940) is not clear.