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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Chrysanthemum

10. Chrysanthemum oreastrum Hance, J. Bot. 16: 108. 1878.

小山菊 xiao shan ju

Chrysanthemum sibiricum (Candolle) Fischer ex Komarov var. alpinum Nakai; C. zawadskii Herbich var. alpinum (Nakai) Kitamura; Dendranthema oreastrum (Hance) Y. Ling; D. sichotense Tzvelev.

Herbs, perennial, 3-45 cm tall, with procumbent rhizomes. Stems erect, solitary, unbranched or rarely shortly 1- or 2-branched, densely villous or pubescent, lower parts glabrescent to glabrous. Basal and lower stem leaves: petiole 1-5 cm; leaf blade rhomboid, flabelliform, ovate, or broadly ovate, 0.5-2.5 × 0.5-3 cm, abaxially densely villous, biternate-pinnatisect; ultimate segments linear or broadly linear. Upper stem leaves similar but smaller; uppermost linear, entire. Capitula solitary, rarely 2 or 3, 2-4 cm in diam. Involucres cup-shaped; phyllaries in 4 rows, scarious margin deep or dark brown, outer ones linear, narrowly elliptic, or ovate, 5-9 mm, abaxially sparsely villous, middle and inner ones long ovate or oblanceolate, 6-8 mm, middle ones sparsely villous abaxially, inner ones glabrous abaxially. Ray floret lamina white or pink, apex 3-denticulate. Achenes ca. 2 mm. Fl. and fr. Jun-Aug. 2n = 54*.

Meadows; 1800-3000 m. Hebei, Jilin, Yunnan [Korea, Russia (Far East)].


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