Abstract
Abstract: Bignoniaceae is a Pantropical plant family that includes 82 genera and 830 species of trees, lianas, and shrubs. The Tabebuia alliance (14 genera and 147 species) and tribe Jacarandeae (2 genera and 50 species) are both Neotropical and represent the largest clades of trees and shrubs in the family. Here, we present a taxonomic treatment for these two clades for the state of Pernambuco, Brazil. Overall, we documented 23 species distributed in seven genera, i.e., Cybistax Mart. ex Meisn., Godmania Hemsl., Jacaranda Juss., Handroanthus Mattos, Sparattosperma Mart. ex Meisner, Tabebuia Gomes ex DC., and Zeyheria Mart. Six taxa are new records for the state, i.e., Cybistax antisyphilitica (Mart.) Mart., Handroanthus capitatus (Bureau & K. Schum) Mattos, Handroanthus umbellatus (Sond.) Mattos, Jacaranda cuspidifolia Mart., Sparattosperma catingae A.H. Gentry, and Tabebuia stenocalyx Sprague & Stapf. Furthermore, S. catingae, previously thought to be endemic to the Caatinga of Bahia, was documented for the first time in the Atlantic Forest domain. We present identification keys and taxonomic descriptions for all genera and species, as well as provide illustrations and information on the geographic distribution, habitat, and phenology for all species.
Highlights
The Bignoniaceae comprises about 830 species distributed in 82 genera (Lohmann & Ulloa Ulloa 2006 continuously updated)
We documented 23 species distributed in seven genera, i.e., Cybistax Mart. ex Meisn., Godmania Hemsl., Jacaranda Juss., Handroanthus Mattos, Sparattosperma Mart. ex Meisner, Tabebuia Gomes ex DC., and Zeyheria Mart
The Bignoniaceae is centered in Brazil, where 33 genera and 413 species are found, of which two genera (Neojobertia Baill. and Paratecoma Kuhlm.) and 199 species are endemic (Lohmann 2010)
Summary
The Bignoniaceae comprises about 830 species distributed in 82 genera (Lohmann & Ulloa Ulloa 2006 continuously updated). This plant family is Pantropical, but predominantly Neotropical, where about 80% of the species occur, with only a few species occurring in the Temperate zones (Lohmann 2004). Paratecoma Kuhlm.) and 199 species are endemic (Lohmann 2010). Species of the Bignoniaceae are recognized by the woody habitat, opposite and compound leaves, showy hermaphrodite and gamopetalous flowers, with four didynamous stamens and one staminode (reduced or elongated), and dehiscent fruits with winged seeds (Lohmann 2004)
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