Albizia polycephala ( Bentham 1844: 219 ) Killip (1940: 6)

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 : 22

1. Albizia polycephala ( Bentham 1844: 219) Killip (1940: 6) . ( Fig. 4d )

Trees, branches tomentose, inermous. Nectary petiolar, sessile. Stipules caducous. Leaves bipinnate, paripinnate, 12– 18–foliolate,leaflets opposite,oblong,venation actinodromous,translucent punctuation absent.Inflorescence glomerule, axillary. Sessile, actinomorphic, diplostemone flowers; calamus gamossépalo, sepals 5, corolla gamosepalous, tubular, white, petals 5; androecium monadelphous, stamens homodinamous, anthers longitudinal; ovary superior, sessile, pluriovulate. Fruit legume, sessile, linear, plane–corrugate, margin straight, glabrous, epicarp ferruginous. Seeds oblong, plane, coat brown, hilum basal.

Examined material: :— BRAZIL. Paraíba: Maturéia, Pico do Jabre , 800 m elev., 17 December 2018, fl., Aureliana Gomes 2020 ( HACAM) .

Distribution and ecology: —The species occurs in Paraguay, Peru and Brazil (INCT:—Virtual Herbarium of Flora and Fungi), where it is distributed in the Northeast, Central-West, Southeast and South regions in the phytogeographic domains of the Caatinga, Cerrado and Atlantic Rainforest ( Flora do Brasil 2020; Queiroz 2009).

Phenology: —Found with flowers in December.

Taxonomic discussion: — Albizia polycephala can be recognized, mainly, by the arboreous habit, inermous branches, bipinnate paripinnate leaves, inflorescence in heteromorphic glomerule, monadelphous androecium and by the legume fruit with oblong and brown seeds.

Figures

FIGURE 4. Species of Fabaceae Lindl. of the study area, Pico do Jabre State Park, Paraíba, Brazil. a Chamaecrista nictitans. b Anadenanthera colubrina. c Chamaecrista zygophylloides. d Albizia polycephala. e Senna macranthera. f Mimosa invisa. g Senna rizzinii. h Calliandra subspicata. i Enterolobium contortisiliquum. j Senna martiana. (Source: the authors).