A taxonomic revision of Pleiochiton (Melastomataceae, Miconieae)

作者：Reginato Marcelo^*; Andrade Baumgratz Jose Fernando; Goldenberg Renato

来源：Brittonia, 2013, 65(1): 16-41.

DOI：10.1007/s12228-012-9258-9

• Atlantic Rain Forest
• Clidemia
• epiphyte
• Leandra
• taxonomy

The genus Pleiochiton has frequently been recognized by dubious characters and seldom treated in taxonomic and floristic surveys. Nevertheless, monophyly of the genus has been highly supported by recent molecular and morphological data, and it can be morphologically recognized by the epiphytic growth and succulent roots. Following the current circumscription, the genus has 12 species, all endemic to the Atlantic Forest sensu stricto in eastern Brazil. The species occur in well conserved middle elevation forests and most are narrowly distributed, with four recorded from only a single locality. In this paper we present a taxonomic revision of the genus and provide an identification key, distribution maps, descriptions, and illustrations for all species. The new species P. amorimii is described, and the known distribution of the genus is expanded northwards, into the "brejos de altitude" of Pernambuco state.

• 出版日期2013-2