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

34. Ajania fastigiata (C. Winkler) Poljakov, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 428. 1955.

新疆亚菊 xin jiang ya ju

Artemisia fastigiata C. Winkler, Trudy Imp. S.-Peterburgsk. Bot. Sada 11: 373. 1891; Chrysanthemum fastigiatum (C. Winkler) H. Ohashi & Yonekura.

Herbs, perennial, 30-90 cm tall. Stems erect, solitary or fascicled, branched or shortly branched from middle or above, pubescent. Lower stem leaves withered at anthesis. Middle stem leaves: petiole ca. 1 cm, leaf blade broadly triangular-ovate, 3-4 × 2-3 cm, both surfaces gray-white, densely appressed pubescent, 2-pinnatisect; primary lateral segments 2- or 3-paired; ultimate segments narrowly elliptic or oblanceolate. Upper stem leaves similar, progressively smaller. Synflorescence a terminal flat-topped panicle. Capitula many. Involucres campanulate, 2.5-4 mm in diam.; phyllaries in 4 rows, abaxially glabrous, scarious margin hyaline, apex obtuse, outer ones linear, 2.5-3.5 mm, middle and inner ones elliptic or oblanceolate, 3-4 mm. Florets yellow; marginal female florets 8, corolla narrowly tubular, ca. 1.5 mm, apex 3-denticulate; disk florets many, corolla tubular, 1.8-2.5 mm. Achenes 1-1.5 mm. Fl. and fr. Aug-Oct.

Steppes, semideserts, forest understories; 900-2300 m. Xinjiang [Afghanistan, Kazakhstan].


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