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Morphological variations of the flower lip of Catasetum barbatum (Lindl.) Lindl. (Orchidaceae)

This paper presents a study of morphological variation, of the lip of the flowes of Catasetum barbatum (Lindl.) Lindl., basead on plants collected in Brazillian Amazonia and Central Brazil. Sixteen variations in 4 different habitats were recognized and related to the ecological characteristics of the environment. Geographical distribution and the illustrations of the lip are presented.

Variations; Catasetum barbatum; lip

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