Nissolia vincentina (Ker Gawler 1824: 799) Moura & Fortuna

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, Phytotaxa 555 (1), pp. 17-41 : 32

25. Nissolia vincentina (Ker Gawler 1824: 799) Moura & Fortuna –Perez (2018: 208–209)

Trees, branches glabrous, inermous. Nectary absent. Stipules lateral, narrow–triangular. Leaves imparipinnate, 5–foliolate, leaflets opposite, obovate, venation brochidodromous, translucid punctuation absent. Inflorescence raceme, axillary. Flowers pedicillate, zygomorphic, diplostemonous; calyx gamosepalous with setose indument, sepals 5, corolla dialypetalous, papilionaceous, yellow, petals 5; androecium monadelphous, homodinamous, anthers longitudinal; ovary superior, sessile, pluriovulate. Fruit loment, sessile, linear, cylindric, margin straight, epicarp tomentose, gray. Seeds not observed.

Examined material:— BRAZIL. Paraíba: Maturéia, Pico do Jabre , 1.050 m elev., 23 September 2019, fl., Aureliana Gomes 414 ( JPB) .

Distribution and ecology:— The species is distributed in Mexico, Venezuela and Brazil, where it is associated with all regions and biomes (INCT - Virtual Herbarium of Flora and Fungi; Ferreira et al. 2019).

Phenology:— Registered with flowers in September.

Taxonomic discussion:— Nissolia vincentina can be recognized, mainly, by the vine habit, narrow-triangular stipules, 5–leaflet leaves, pedicellate flowers, 5 petals, yellow papilionaceous corolla. It is distinguished from the other Fabaceae species found in the area studied by the 5–leaflet leaves, flowers gathered in short racemes, calyx with a bristly tip, and by the long loment.