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Ceropegia
''Ceropegia'' is a genus of plants within the family Apocynaceae, native to Africa, southern Asia, and Australia.〔Bruyns, P. V. & P. I. Forster. 1991. Recircumscription of the Stapelieae (Asclepiadaceae). Taxon 40(3): 381–391〕〔(Flora of China Vol. 16 Page 266 吊灯花属 diao deng hua shu ''Ceropegia'' Linnaeus, Sp. Pl. 1: 211. 1753. )〕 It was named by Carl Linnaeus, who first described this genus in volume 1 of his ''Species plantarum'', which appeared in 1753. Linnaeus thought that the flowers looked like a fountain of wax. From this the scientific name was derived: ‘''keros''’ meaning wax and ‘''pege''’ meaning fountain (Pooley, 1998). They have many common names including lantern flower, parasol flower, parachute flower, bushman’s pipe, string of hearts, snake creeper, wine-glass vine, rosary vine, and necklace vine.
''Ceropegia'' species are traded, kept, and propagated as ornamental plants.〔Ollerton, J., Masinde, S., Meve, U., Picker, M., & Whittington, A. (2009). (Fly pollination in ''Ceropegia'' (Apocynaceae: Asclepiadoideae): biogeographic and phylogenetic perspectives. ) ''Annals of Botany'', mcp072.〕
==Appearance==
The stems are vining or trailing in most species, though a few species from the Canary Islands have erect growth habits. Among some species, such as ''Ceropegia woodii'', the nodes swell, and the roots similarly expand to form tubers beneath the soil surface. The leaves are simple and opposite, although they can be rudimentary or absent. Especially in certain succulent species, the leaves may also be thick and fleshy.
The flowers have a tubular corolla with five petals most often fused at the tips, forming an umbrella-like canopy, a cage, or appendage-like antennae.〔Dyer, R.A. 1983. ''Ceropegia'', ''Brachystelma'' and ''Riocreuxia'' in Southern Africa. A.A. Balkema, Rotterdam.〕 The flowers of this genus are adapted for pollination by flies. A great diversity of fly species are associated with ceropegias. The flowers are often inflated and fused at several points, forming a cage. Flies become momentarily trapped inside, accomplishing pollination as they move about.〔
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