23. Mimosa verrucosa Bentham (1841: 390)

Trees, branches glandular, inermous. Nectary absent. Stipules lateral, narrow-triangular. Leaves bipinnate, paripinnate, 10–18–foliolate, leaflets opposite, oblong, venation actinodromous, translucid punctuation absent. Inflorescence spike, axillary. Flowers sessile, actinomorphic, isostemonous; calyx gamosepalous, sepals 4, corolla gamopetalous, tubular, rose, petals 4; androecium dialystaminous, homodinamous, anthers longitudinal; ovary superior, sessile, pluriovulate. Fruit craspedium, stipitate, linear, plane, margin constricted, epicarp verrucose, brown. Seeds not observed.

Examined material:— BRAZIL. Paraíba: Maturéia, Pico do Jabre, 1.000 m elev., 14 August 2019, fl., Aureliana Gomes 369 (JPB) .

Distribution and ecology:— The species has records in the Northeast and Central-West regions of Brazil, associated with the Caatinga and Cerrado domains, and is also found in transition areas of these biomes (Silva et al. 2015).

Phenology:— Registered with flowers in August.

Taxonomic discussion:— Mimosa verrucosa can be recognized, mainly, by the arboreous habit, inermous branches, inflorescence in spikes. It is distinguished from the other Mimosa species in the area studied by the inermous and verrucose branches.