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Disporopsis Hance

竹根七属

Description from Flora of China

Aulisconema Hua.

Herbs perennial, rhizomatous, sympodial, terrestrial. Rhizome horizontally creeping, terete or moniliform, fleshy. Stem usually arching, rarely erect, simple, glabrous. Leaves cauline, lateral and pseudoterminal, usually alternate, rarely subopposite, shortly petiolate, glabrous. Inflorescences axillary, each a solitary flower or cluster of 2 to several flowers; bracts usually absent, rarely present. Flowers bisexual; pedicel articulate apically. Perianth campanulate; segments 6, imbricate, ± fleshy, proximally connate and forming a tube for up to 1/2 their length. Corona attached near apex of perianth tube, fleshy or membranous; lobes 6, alternate to or opposite perianth segments, apex often 2-cleft into lobelets, sometimes emarginate, rarely entire. Anthers 6, opposite perianth segments, attached at lobe sinus, lobelet sinus, or lobe apex of corona, dorsifixed, introrse. Ovary 3-loculed; ovules 4--6 per locule. Style short; stigma capitate to slightly 3-lobed. Fruit a berry, several seeded.

Hayata (Icon. Pl. Formos. 5: 230--233, 1915) interpreted the corona of Disporopsis as a product of fusion of dilated filaments.

Six species: China, Laos, Philippines, Thailand, Vietnam; six species (four endemic) in China.

(Authors: Liang Songyun (梁松筠 Liang Song-jun); Minoru N. Tamura)


 

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