Fabaceae Lindl. in a Conservation Unit in the Semi-Arid Region of Paraíba, Brazil Author Gomes, Aureliana Santos Departamento de Geografia - Universidade Federal de Campina Grande: - Campus I, Centro de Humanidades. Unidade Acadêmica de Geografia-UAG, R. Aprígio Veloso, 882, Universitário, Campina Grande, PB, 58428 - 830, Brasil. Author Rodrigues, Erimágna De Morais Author Moura, Débora Coelho Departamento de Geografia - Universidade Federal de Campina Grande: - Campus I, Centro de Humanidades. Unidade Acadêmica de Geografia-UAG, R. Aprígio Veloso, 882, Universitário, Campina Grande, PB, 58428 - 830, Brasil. Author Melo, José Iranildo Miranda De Programa de Pós-Graduação em Ecologia e Conservação - Universidade Estadual da Paraíba - UEPB, Departamento de Biologia, Centro de Ciências Biológicas e da Saúde, Av. das Baraúnas 351, Campus Universitário, Bairro Universitário, Campina Grande, PB, 58429 - 500, Brasil. Author Ribeiro, Rayane De Tasso Moreira Universidade Federal Rural de Pernambuco, Departamento de Biologia, Laboratório de Taxonomia Vegetal (LATAX), Rua Dom Manoel de Medeiros, s / n, Campus Dois Irmãos, 52.171 - 900, Recife, PE, Brasil. Author Queiroz, Rubens Teixeira De Departamento de Sistemática e Ecologia- Universidade Federal da Paraíba - Campus I, Centro de Ciências Exatas e da Natureza, Jardim Universitário, Castelo Branco, João Pessoa, PB, 58051 - 900, Brasil. & Author for correspondence: rbotânico @ gmail. com text Phytotaxa 2022 2022-07-19 555 1 17 41 http://dx.doi.org/10.11646/phytotaxa.555.1.2 journal article 102841 10.11646/phytotaxa.555.1.2 2e2412c5-4709-4f24-b489-db901a316721 1179-3163 6875635 14. Crotalaria vitellina Ker Gawler (1820: 447) . ( Fig. 3l ) Subshrubs , branches pilose, inermous. Nectary absent. Stipules lateral, narrow–triangular. Leaves imparipinnate, 3–foliolate, leaflets opposite, oblanceolate, venation brochidodromous, translucid punctuation absent. Inflorescence raceme, terminal. Flowers pedicellate, zygomorphic, diplostemonous; calyx gamosepalous, sepals 5, corolla dialypetalous, papilionaceous, yellow, petals 5; androecium monadelphous, homodinamous, anthers longitudinal; ovary superior, sessile, pluriovulate. Fruit legume, sessile, linear, plane, margin straight, epicarp tomentulose, brown. Seeds reniform, plane, coat brown, hilum central. Examined material:— BRAZIL . Paraíba : Maturéia , Pico do Jabre , 1.197 m elev., 14 April 2019 , fl. & fr., Aureliana Gomes 3051 ( HACAM ) . Distribution and ecology: —The species occurs in Mexico , Panama , Colombia , Venezuela , Paraguay and Brazil , where it can be found in the Central-West ( DF , GO), Northeast ( BA , CE , PA , PE), Southeast ( MG , RJ , SP) and South ( PR , SC) associated with the domains of Caatinga, Cerrado and Atlantic Rainforest (BFG 2018; INCT - Virtual Herbarium of Flora and Fungi). In the study area, it was collected on the outcrop plateau at 1197m , in litolic soil. Phenology:— Registered with flowers and fruits in April. Crotalaria vitellina can be recognized, mainly, by the subshrub habit, trifoliolate and palmate leaves, raceme inflorescence and yellow corolla. In the study area, it was the only one to present inflated legume.