Fabaceae Lindl. in a Conservation Unit in the Semi-Arid Region of Paraíba, Brazil
Author
Gomes, Aureliana Santos
Departamento de Geografia - Universidade Federal de Campina Grande: - Campus I, Centro de Humanidades. Unidade Acadêmica de Geografia-UAG, R. Aprígio Veloso, 882, Universitário, Campina Grande, PB, 58428 - 830, Brasil.
Author
Rodrigues, Erimágna De Morais
Author
Moura, Débora Coelho
Departamento de Geografia - Universidade Federal de Campina Grande: - Campus I, Centro de Humanidades. Unidade Acadêmica de Geografia-UAG, R. Aprígio Veloso, 882, Universitário, Campina Grande, PB, 58428 - 830, Brasil.
Author
Melo, José Iranildo Miranda De
Programa de Pós-Graduação em Ecologia e Conservação - Universidade Estadual da Paraíba - UEPB, Departamento de Biologia, Centro de Ciências Biológicas e da Saúde, Av. das Baraúnas 351, Campus Universitário, Bairro Universitário, Campina Grande, PB, 58429 - 500, Brasil.
Author
Ribeiro, Rayane De Tasso Moreira
Universidade Federal Rural de Pernambuco, Departamento de Biologia, Laboratório de Taxonomia Vegetal (LATAX), Rua Dom Manoel de Medeiros, s / n, Campus Dois Irmãos, 52.171 - 900, Recife, PE, Brasil.
Author
Queiroz, Rubens Teixeira De
Departamento de Sistemática e Ecologia- Universidade Federal da Paraíba - Campus I, Centro de Ciências Exatas e da Natureza, Jardim Universitário, Castelo Branco, João Pessoa, PB, 58051 - 900, Brasil. & Author for correspondence: rbotânico @ gmail. com
text
Phytotaxa
2022
2022-07-19
555
1
17
41
http://dx.doi.org/10.11646/phytotaxa.555.1.2
journal article
102841
10.11646/phytotaxa.555.1.2
2e2412c5-4709-4f24-b489-db901a316721
1179-3163
6875635
9.
Centrosema sagittatum
(Humboldt & Bonpland ex Willdenow 1809: 757)
Brandegee (1905: 202)
. (
Fig. 3d
)
Vines
, branches glabrous, inermous.
Nectary
absent.
Stipules
lateral, triangular.
Leaves
imparipinnate, 1–3– foliolate, opposite, sagittate, venation brochidodromous, translucid punctuation absent absent.
Inflorescence
raceme, axillary.
Flowers
pedicellate, zygomorphic, diplostemonous; calyx gamosepalous, sepals 5, corolla dialypetalous, papilionaceous, whitish, petals 5; androecium diadelphous, heterodinamous, anthers longitudinal; ovary superior, sessile, pluriovulate.
Fruit
legume, sessile, linear, plane, margin straight, epicarp glabrous, whitish.
Seeds
reniform, plane, coat marbled, hilum central.
Examined material:—
BRAZIL
.
Paraíba
:
Maturéia
,
Pico do Jabre
,
900 m
elev.,
13 May 2019
, fl.,
Aureliana Gomes
2096
(
HACAM
)
.
Distribution and ecology:—
The species has distribution in South America, among secondary vegetation (
Lima & Mansano2011
).In
Brazil
, it is present in the Central-West,Northeast, Southeast and South regions in the phytogeographic domains of Caatinga, Cerrado, Atlantic Rainforest and Pantanal, in rocky fields, seasonal semideciduous forest, rain forest and in sandbank areas (INCT - Virtual Herbarium of Flora and Fungi). This species occurs preferably in the undergrowth of the forest (
Queiroz 2021
).
Phenology:—
Found with flowers in May.
Centrosema sagittatum
can be easily recognized, mainly, by the vine habit, 1–3 foliolate imparipinnate leaves, opposite, sagittate leaflets, dialypetalous corolla, papilionaceous, whitish and reniform seeds.