Abstract This study shows a taxonomic treatment for all species of Bignonieae from the state Pernambuco (Brazil). Through extensive herbarium and field work, we documented 42 13 genera Pernambuco, which six represent new records (i.e., Adenocalymma coriaceum, Anemopaegma gracile, velutinum, Bignonia sciuripabulum, Callichlamys latifolia Fridericia cuneifolia). In addition, citrinum was first ti...

The Paraguayan crude drug "tayï pytá" is used to treat cancer, wounds and inflammation. It consist of the bark and trunkwood of Tabebuia heptaphylla (Bignoniaceae). A phytochemical study of the crude drug gave, in addition to previously described naphthoquinones and the known lignans cycloolivil and secoisolariciresinol, three new lapachenol (lapachonone)-, two naphthofuran-, a chromone and a n...

Pachyptera DC. is a small genus of neotropical lianas included in tribe Bignonieae (Bignoniaceae). The genus has a complicated taxonomic history but currently includes species distributed from Belize to Southern Amazon. Pachyptera is characterised by four main synapomorphies, namely, a papery peeling bark, prophylls of the axillary buds organised in a series of three, patelliform glands arrange...