科研之友
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摘要
the orchid plants are highly prized for their lush exotic flowers. it is the largest plant family with more than 24000 species, which indicates a high diversity of forms and adaptations to different environments, including the capacity to attract, deceive and manipulate visitors involved in cross-pollination. cattleya eldorado occurs in areas of white sand campinas, a typical vegetation type of the amazon region, which is under strong anthropogenic pressure. this work%26apos;s main objectives to know the biological processes of c. eldorado providing subsidies to maintain and manage it in its natural habitat. this study was conducted from 2000 to 2006 in the campina biological reserve, during its flowering period. c. eldorado is an epiphytic orchid species that has the melittophyly syndrome and is adapted to its pollinator, the bee eulaema mocsaryi recognizing their flowers by smell and by visual stimuli, through their color and reflection of ultraviolet light. c. eldorado is self-compatible, even if it requires a pollinating agent for the transfer of the pollinarium until its deposition in the stigmatic cavity of the flower.
