Flora of Ceará, Brazil: subtribe Gonolobinae (Asclepiadoideae/Apocynaceae)

Abstract We performed the taxonomic-floristic survey of subtribe Gonolobinae for state Ceará, as part “Flora do Ceará: knowing to conserve” project. The study was based on comparative analysis morphological characters, specialized bibliography, well photos type-collections. In six species two genera were registered: Gonolobus rostratus, Matelea denticulata, M. endressiae, ganglinosa, harleyi, and nigra. ganglinosa has a broad distribution in state, while G. denticulata endressiae are restricted. recorded Conservation Units preferably dry environments (Stepic Savanna, Seasonal Deciduous Forest, Lowland Semideciduous Forest).