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

18. Ajania khartensis (Dunn) C. Shih in C. Shih & G. X. Fu, Acta Phytotax. Sin. 17(2): 115. 1979.

铺散亚菊 pu san ya ju

Tanacetum khartense Dunn, Bull. Misc. Inform. Kew 1922: 150. 1922; Ajania mutellina (Handel-Mazzetti) Y. Ling; Chrysanthemum khartense (Dunn) H. Ohashi & Yonekura; C. mutellinum (Handel-Mazzetti) Handel-Mazzetti; Dendranthema mutellinum (Handel-Mazzetti) Kitamura; T. mutellinum Handel-Mazzetti.

Herbs, perennial, 10-20 cm tall, with slender fibrous roots. Flowering and sterile stems many, diffuse, densely or sparsely villous or pubescent. Middle stem leaves: petiole ca. 5 mm; leaf blade orbicular, suborbicular, flabelliform, or broadly cuneate, 0.8-1.5 × 1-1.8 cm, both surfaces gray-white, densely or thickly appressed pubescent, bipalmatisect or 3-5-palmatisect; primary lateral segments 1(or 2)-paired; ultimate segments elliptic. Lower and uppermost stem leaves trisect. Synflorescence a terminal flat-topped cyme, 2-4 cm in diam. Capitula few, (1-)3-5 or many (to 15). Involucres campanulate, 6-10 mm in diam.; phyllaries in 4 rows, abaxially densely or sparsely pubescent, scarious margin dark brown or gray-brown, apex obtuse or slightly rounded, outer ones lanceolate or linear-lanceolate, 3-4 mm, middle and inner ones broadly lanceolate, narrowly elliptic, or oblanceolate, 4-5 mm. Florets yellow; marginal female florets 6-8, corolla narrowly tubular, 3- or 4-denticulate; disk florets many, corolla tubular. Achenes ca. 1.2 mm. Fl. and fr. Jul-Sep.

Mountain slopes; 2500-5300 m. Gansu, Nei Mongol, Ningxia, Qinghai, Sichuan, Xizang, Yunnan [N India].


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