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

1. Dichrocephala chrysanthemifolia (Blume) Candolle, Arch. Bot. (Paris). 2: 518. 1833.

菊叶鱼眼草 ju ye yu yan cao

Cotula chrysanthemifolia Blume, Bijdr. 918. 1826; Dichrocephala abyssinica Schultz Bipontinus ex Hochstetter; D. grangeifolia Candolle.

Herbs, annual, branched. Stems and branches rigid, white tomentulose, pubescent, or hispidulous, long-stipitate glandular, branches ascending, spreading or apically oblique. Leaves oblong or obovate, 3-5 × 0.8-2 cm, pinnatifid, pinnatipartite, or pinnatilobate, surfaces ± densely white strigose and puberulent, sparsely glandular, base expanded, auriculate-clasping; lateral lobes 2- or 3-paired, oblong, lanceolate, or triangular-lanceolate, margin 1- or 2-serrulate on one or both sides, or entire; lobes of lower leaves relatively small, of middle large, of upper gradually smaller, uppermost linear, entire or with 1- or 2-paired teeth. Capitula globose or oblong, ca. 7 mm in diam., solitary in upper leaf axil and in subracemiform synflorescences; peduncles ca. 5 cm, densely puberulent or puberulent-tomentose; bracts 1-3, linear or lanceolate. Phyllaries 1- or 2-seriate, slightly unequal, ca. 1.5 mm, margin white scarious, ± puberulent. Receptacles obconic, distinctly swollen, 5-6 mm in fruit, apex acute. Marginal female florets many seriate, purple, corolla shortly funnel-shaped or campanulate, ca. 0.7 mm, deeply 3-5-lobed, lobes sometimes sparsely glandular; disk florets functionally male, few, ca. 1 mm, limb funnelform, 4- or 5-lobed, externally sparsely viscid-glandular, pilose. Achenes straw-colored, oblanceoloid, compressed, apically ± glandular. Pappus absent or of disk florets with 1 or 2 bristles.

Grasslands on slopes, roadsides; ca. 2900 m. Xizang, Yunnan [Bhutan, India, Indonesia, Japan, Malaysia, Myanmar, Nepal, New Guinea, Philippines; Africa, Australia].

If varieties were recognized, the variety present in Asia would be Dichrocephala chrysanthemifolia var. chrysanthemifolia.


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