4. Arachis dardanii Krapovickas & Gregory (1994: 76–79 f) Herbs, branches pilose, inermous. Nectary absent. Stipules lateral, lanceolate, adnate to the petiole. Leaves paripinnate, 4–foliolate, leaflets opposite, obovate, venation brochidodromous, translucid punctuation absent. Inflorescence spikes, axillary. Flowers sessile flowers, zygomorphic, diplostemonous; calyx gamosepalous, sepals 5, corolla dialypetalous, papilionaceous, yellow, petals 5; androecium monadelphous, homodinamous, anthers longitudinal; ovary superior, sessile, pauciovulate. Fruit loment, stipitate, elliptic, cylindrical, margin straight, epicarp glabrous, yellow. Seeds ovoid, turgid, coat yellow, hilum basal. Examined material:— BRAZIL. Paraíba: Maturéia, Pico do Jabre, 1197 m elev., 14 August 2019, fl. & fr., Aureliana Gomes 3004 (HACAM). Distribution and ecology: —The species is endemic to Brazil, more precisely from the Caatinga domains and can also be found in the Cerrado and Atlantic Rainforest (Córdula et al. 2008), with records in the Northeast (AL, BA, CE, MA, PB, PE, PI, RN, SE) and Central-West (GO) (Flora of Brazil 2020). Phenology: —Registered with flowers and fruits in August. Taxonomic discussion:— Arachis dardanii can be recognized by the herbaceous habit, stipule adnate with petiole, 4-foliolate leaflets, axillary spike inflorescence, sessile flower, yellow papilionaceous corolla, and the yellow loment fruit. This species is popularly known as amendoim de carcará.

Published as part of Gomes, Aureliana Santos, Rodrigues, Erimágna De Morais, Moura, Débora Coelho, Melo, José Iranildo Miranda De, Ribeiro, Rayane De Tasso Moreira & Queiroz, Rubens Teixeira De, 2022, Fabaceae Lindl. in a Conservation Unit in the Semi-Arid Region of Paraíba, Brazil, pp. 17-41 in Phytotaxa 555 (1) on page 23, DOI: 10.11646/phytotaxa.555.1.2, http://zenodo.org/record/6875635