Open-access Rubiaceae Juss. of caatinga of the APA Serra Branca/Raso da Catarina, Bahia, Brazil

The paper presents a survey of the species found in the APA Serra Branca/ Raso da Catarina, where were cataloged 21 species in eleven genera: Mitracarpus is the richest genus with four species (M. baturitensis, M. longicalyx, M. robustus, M. salzmannianus), followed by Staelia (S. aurea, S. galioides, S. virgata), Diodella (D. gardneri, D. radula, D. teres), Borreria (B. spinosa, B. verticillata), Cordiera (C. rigida, Cordiera sp.) and Guettarda (G. angelica, G. sericea). The other genera are represented by one species each, Emmeorhiza umbellata, Leptoscela ruellioides, Margaritopsis carrascoana, Richardia grandiflora e Tocoyena formosa. Were recorded three species endemic to the caatinga: G. angelica, G. sericea e M. longicalyx. In addition, M. carrascoana is the first record for the state of Bahia. Key for identification, descriptions, illustrations and comments about geographic distribution and phenology of the species are presented.

diversity; semiarid; floristic; taxonomy; ecoregion


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