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- W245017875 abstract "In the context of diffuse co-evolution of angiosperms and pollination agents, many exam ples of specialized relationships are found (see inter alia Chapman & Reis 1992). Some of these are in the family Orchidaceae. Pollinator specificity in the Orchidaceae is per fected through the reproductive organ female and male parts are located on the same finger-like structure, the column. Flower and column sizes precisely correlate to the size of the pollinator. Very few insect species (normally only one or two) are able to pollinate any given orchid species. Furthermore, the column structure enforces cross-pollination. This extreme specialization explains the rare occurrence of natural hybridisation among orchids. Mistakes and strange coincidences may, however, create situations that breach these barriers and result in natural hybrids. In Zimbabwe, where there is a total of 350 orchid species, only three hybrids have been reported so far. These are Oeceo clades maculata X quadriloba (Grosvenor 1976), Polystachya fusiformis X lindblomii (Ball & van de Ruit 1978) and Satyrium longicauda X neglectum var. neglectum (Fibeck & Phiri 1997)." @default.
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- W245017875 date "2000-01-01" @default.
- W245017875 modified "2023-09-26" @default.
- W245017875 title "A natural orchid hybrid from Zimbabwe" @default.
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