Flora of Paraiba, Brazil: Bombacoideae Burnett (Malvaceae)

This work presents the taxonomic study of the native species of Bombacoideae Burnett (Malvaceae) in the state of Paraiba, Northeastern Brazil. The taxonomic treatment included keys for identifying genera and species, morphological descriptions, diagnostic illustrations, comments on taxonomic affinities, and additional information on geographical distribution, habitat, and flowering and fruiting of the species. Three genera and six species were recorded: Ceiba Mill., represented by C. glaziovii (Kuntze) K. Schum., is a new record for the Atlantic Forest; Eriotheca Schott & Endl., represented by E. gracilipes (K. Schum.) A. Robyns and E. macrophylla (K. Schum.) A. Robyns, is a new record for Paraiba; and Pseudobombax Dugand, which is represented by P. marginatum (A.St.Hil., Juss. & Cambess.) A. Robyns, P. parvifolium Carv.-Sobr. & L.P. Queiroz and P. simplicifolium A. Robyns Robyns - the last one registered for the first time in Paraiba in this study.