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Flora of Taiwan | Family List | Compositae | Crossostephium

Crossostephium chinense (L.) Makino, Bot. Mag. (Tokyo). 20: 33. 1906; Kitamura, Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 15: 339. 1940; Li, Fl. Taiwan 4: 845, pl. 1220. 1978.


  • Artemisia chinense L.

    Stems branching above, branches ascending, densely ashy-tomentose, densely leafy above, naked below. Leaves thick, narrowly spatulate to obovate-oblanceolate, 2-5×0.2-2 cm, entire or trilobate or sometimes 3-5-pinnatifid, apex obtuse, base narrowed, hairy on both surfaces. Heads racemosely arranged on branches, ca. 7 mm broad, peduncles 6-17 mm long. Involucre sub-hemispheric, 3×7 mm, densely tomentose, bracts 3-seriate, outer ones elliptic, obtuse or acute, middle ones narrow, inner ones slightly shorter, oblong. Outer florets pistillate, 1-seriate, corolla tubular, ca. 1.5 mm long. Central disc florets bisexual; corolla tubular, ca. 1.5 mm long, 5-dentate. Achenes oblong, ca. 1.5 mm long, 5-angular. Pappus ca. 0.5 mm long. Chromosome number, 2n = 18 (Peng & Hsu, 1978).

    TAITUNG: Lanyu Is., Hsiaomantoushan, Yang 7750.

    Distributed in southern China and Ryukyu. Taiwan, a littoral plant on raised coral rocks and cliffs. Rare and threatened in the wild; often cultivated for ornamental or medicinal purposes.


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