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Myriactis Less.

粘冠草属

Description from Flora of China

Herbs, annual or perennial, herbage villous, long-stipitate glandular. Leaves alternate, basal and/or cauline, winged petiolate or sessile, blade oblanceolate-oblong to spatulate, sometimes lyrate, sometimes lobed, base clasping, margin ± coarsely dentate or serrate. Capitula small, heterogamous, solitary or numerous in lax corymbose-paniculiform synflorescences; peduncle long. Involucre hemispheric; phyllaries 2- or 3-seriate, subequal, papery, margin scarious, hyaline, ± fimbriate. Receptacles convex, hemispheric or globose, not alveolate, naked. Ray florets fertile, 2-5- or more seriate, tube short, lamina white to purplish, small, orbicular, ovate, or linear; disk florets functionally male, limb narrowly funnelform to campanulate, 4-lobed, lobes lanceolate; anther base obtuse; (disk) style branches appressed, without stigmatic lines, appendages lanceolate, abaxially hairy. Achenes narrowly obovoid, compressed, margin 2-ribbed, apex with short viscid collar (of ray florets), glabrous, ± glandular. Pappus absent.

About 12-16 species: tropical Africa and Asia; five species (one endemic) in China.

(Authors: Chen Yilin (陈艺林 Chen Yi-ling); Luc Brouillet)


 

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