Plant journal
Gymnosiphon
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Short Description
Gymnosiphon (yellowseed) is a genus of monocotyledonous flowering plants from the yam order. Like most of the other members of the family in which the plant is placed (Burmanniaceae), Gymnosiphon is entirely myco-heterotrophic genus that does not contain chlorophyll and respectively does not perform photosynthesis. Gymnosiphon is distributed across the moist, tropical regions of Asia, America and Africa. The plant has very small size and thin stems. Leaves are rudimentary and with appearance like scales or bracts. Its flowers are white in color, pale and solitary or sometimes collected in tiny inflorescences of few depending on the species. They are also actinomorphic with three larger outer tepals and three more inner and smaller ones. Phylogenetically Gymnosiphon is placed in the clade of Burmanniaceae sensu stricto. Species Gymnosiphon affinis - New Guinea Gymnosiphon afro-orientalis - SC Africa Gymnosiphon aphyllus - Taiwan, SE Asia, New Guinea, Micronesia Gymnosiphon bekensis - C Africa Gymnosiphon brachycephalus - Panama, NW S America Gymnosiphon breviflorus - Costa Rica, Panama, N South America Gymnosiphon capitatus - Guyana, NW Brazil Gymnosiphon constrictus - Gabon Gymnosiphon cymosus - N South America Gymnosiphon danguyanus - Tanzania, Madagascar Gymnosiphon divaricatus - S Mexico, Trinidad, C + S America Gymnosiphon fimbriatus - N South America Gymnosiphon guianensis - Guyana, Suriname Gymnosiphon longistylus - C + W Africa Gymnosiphon marieae - Madagascar Gymnosiphon minahassae - Sulawesi Gymnosiphon minutus - Costa Rica, N South America Gymnosiphon neglectus - Java Gymnosiphon niveus - West Indies Gymnosiphon okamotoi - Palau in Micronesia Gymnosiphon oliganthus - NE Papua New Guinea Gymnosiphon panamensis - from Veracruz to Panama Gymnosiphon papuanus - New Guinea, Sulawesi, Palau Gymnosiphon pauciflorus - New Guinea Gymnosiphon recurvatus - Guyana Gymnosiphon samoritoureanus - Guinea, Liberia Gymnosiphon sphaerocarpus - Pernambuco, West Indies Gymnosiphon suaveolens - Mexico, C + S America Gymnosiphon tenellus - Jamaica, C America, NW S America Gymnosiphon usambaricus - Kenya, Tanzania


