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FOC | Family List | FOC Vol. 16 | Asclepiadaceae

28. Cosmostigma Wight, Contr. Bot. India. 41. 1834.

荟蔓藤属 hui man teng shu

Lianas. Cymes extra-axillary, racemelike or umbel-like, long pedunculate. Calyx with 5 basal glands. Corolla ± rotate or short campanulate; lobes ± valvate or twisted to right. Corona lobes 5, flattened, inserted at back of stamens, apex 2-cleft or truncate, lower than apical membrane of anthers. Filaments connate into a tube; anthers rectangular, margin softly bony, apical appendages membranous, incurved; pollinia 2 per pollinarium, erect, obliquely ovoid or oblong, caudicle long, twisted. Styles short; stigma head broad, discoid, as long as anthers. Follicles oblong-lanceolate in outline.

Three species: tropical and subtropical Asia, one in China.

Lower Taxon


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