Canavalia brasiliensis Martius. ex Bentham (1837: 71)

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 : 26

7. Canavalia brasiliensis Martius. ex Bentham (1837: 71) . ( Fig. 3i )

Vines, branches tomentulous, inermous. Nectary absent. Stipules lateral, triangular. Leaves imparipinnate, 3– foliolate, leaflets opposite, ovate, venation brochidodromous, translucid punctuation absent. Inflorescence raceme, axillary. Flowers pedicellate, zygomorphic, diplostemonous; calyx gamosepalous, sepals 4, corolla dialypetalous, papilionaceous, rose, petals 5; androecium diadelphous, heterodinamous, anthers longitudinal; ovary superior, sessile, pluriovulate. Fruit legume, sessile, linear, plane, margin straight, epicarp glabrous, brown. Seeds elliptic, plane, coat brown, hilum basal.

Examined material:— BRAZIL. Paraíba: Maturéia, Pico do Jabre , 800 m evel., 02 December 2019, fl. & fr., Aureliana Gomes 3169 ( HACAM) .

Distribution and ecology:— The species has a neotropical distribution, in Brazil it is present in the five regions, with wide distribution in the Northeast region. It occurs in the domains of the Amazon, Caatinga, Cerrado and Atlantic Rainforest, and is present in coastal areas, dunes and wetlands ( Córdula et al. 2008, INCT - Virtual Herbarium of Flora and Fungi).

Phenology: —Registered with flowers and fruits in December.

Taxonomic discussion:— Canavalia brasiliensis can be recognized by the vine habit, lateral stipules, inflorescences in axillary racemes, by the flowers with gamosepalous calyx, 4 sepals, pink papilionaceous corolla with 5 petals and fruits in legumes with winged streaks on their margins.

Figures

FIGURE 3. Species of Fabaceae Lindl. of the study area, Pico do Jabre State Park, Paraíba, Brazil. a Centrosema brasilianum. b Platymiscium floribundum. c Macropsychanthus grandiflorus d Centrosema sagittatum. e Ancistrotropis peduncularis. f Poecilanthe grandiflora. g Erythrina velutina. h Chamaecrista repens. i Canavalia brasiliensis. j Bauhinia cheilantha. k Stylosanthes viscosa. l Crotalaria vitelina. (Source: the authors).