First record of Cnidoscolus obtusifolius Pohl (Euphorbiaceae) for Paraíba State, northeastern Brazil

Cnidoscolus obtusifolius Pohl (Euphorbiaceae), species so far known from Minas Gerais, Bahia, Alagoas and Pernambuco States in Brazil is reported for the first time for the State of Paraiba, in the northeastern region of the country. Specimens of this taxon were collected in a fragmented area considered a Caatinga vegetation relict, where total annual precipitation is 700 mm on average and elevation of 644 m a.s.l. The records were made in September and October 2019, when the species was in fertile stage as it bore flowers and fruits. Here we provide a description of its morphology along with taxonomic comments, data on the geographical range and detailed images of the species.