The subfamilies Vanilloideae and Orchidoideae in a fragment of the Serra da Mantiqueira, Minas Gerais, Brazil

Abstract

At present day Orchidaceae is divided in five sufamilies: Apostasioideae, Cypripedioideae, Vanilloideae, Orchidoideae e Epidendroideae. This survey presents the species of Vanilloideae and Orchidoideae that occurs in a fragment of the Serra da Mantiqueira, in Minas Gerais State. Regular collections were performed in this site between 2003 and 2009 in Serra Negra, among the municipalities of Olaria, Santa Bárbara do Monte Verde, Lima Duarte and Rio Preto, and in Serra do Funil, in Funil village, municipality of Rio Preto. Twenty five species were recorded, 22 within Orchidoideae and three within Vanilloideae. The richest genera were Habenaria (eight spp) and Prescottia (three spp). Six distribution patterns could be observed to the occurring species in study area: 1) neotropical; 2) South America; 3) southeastern and southern Brazil, and Argentina; 4) southeastern and southern Brazil; 5) southeastern Brazil and 6) endemic to Minas Gerais State. Descriptions, identification keys of the subfamilies and species, illustrations and comments are presented.