The Serra Dourada State Park comprises a mosaic of vegetation and it is one the most conserved and diverse mountainous areas of Goiás state. To contribute to the flora of this park and with knowledge of Euphorbiaceae diversity in the Cerrado s.l. vegetation a taxonomic treatment of the genus Manihot is presented here. Eleven taxa arranged in nine species were recognized: M.anomala Pohl, M.anomala subsp. pubescens (Pohl) D.J. Rogers & Appan, M.gracilis Pohl, M. irwinii D.J. Rogers & Appan, M. mossamedensis Taub., M. oligantha Pax, M. paviifolia Pohl, M. pentaphylla Pohl, M.pentaphylla subsp. tenuifolia (Pohl) D.J. Rogers & Appan, M. sparsifolia Pohl and M. xavantinensis D.J. Rogers & Appan. Descriptions, illustrations, comments on morphological similarities, geographic distribution and ecological preferences of species, and a key to identify are provided.
Cassava, diversity; endemism; flora of the Cerrado; systematics
