Senna macranthera (Candolle ex Colladon 1816: 8) Irwin & Barneby (1982: 181)

Rauber, Cristiane Ritter, Lima, Laura Cristina Pires, Caxambu, Marcelo Galeazzi & Temponi, Lívia Godinho, 2021, Synopsis of Leguminosae from Iguaçu National Park, Paraná, Brazil, Phytotaxa 501 (2), pp. 245-280 : 272

63. Senna macranthera (Candolle ex Colladon 1816: 8) Irwin & Barneby (1982: 181) . ( Fig. 8E and F )

Distribution: It occurs from Venezuela to southern Brazil ( Queiroz 2009) and in Brazil it occurs in states of all regions, though in the South only in the state of Paraná and in the North only in the state of Tocantins ( Flora do Brasil 2020). In ParNa Iguaçu it occurs in the Foz do Iguaçu and Céu Azul areas.

Reproductive period: In ParNa Iguaçu it was found in flower in February and March.

Diagnostic characteristics: The genus is recognized by its androecium with only seven fertile stamens and by the indehiscent fruit, S. macranthera can be differentiated from the other species by its arboreal habit and pinnate leaves with only two pairs of leaflets.

Conservation: Native-NE.

Selected examined material: BRAZIL. Paraná: Area 1, Céu Azul, 7March 2019, (fl.), C.R. Rauber et al. 346 ( UNOP); Area 3, Foz do Iguaçu , 25 February 2016, (fl.), M.G. Caxambu 7271 ( DPVR, HCF) .

Figures

FIGURE 8. A and B: Senegalia polyphylla: A. branch with inflorescence; B. nectary; C: Senegalia tucumanensis, inflorescence; D: Senegalia velutina, inflorescence; E and F: Senna macranthera: E: branch with inflorescence; F: flower; G and H: Senna obtusifolia: G: branch with inflorescence; H: flower; I and J: Senna occidentalis: I: branch with inflorescence; J: flower; K and L: Sesbania virgata: K. flowers; L: branch with fruit. (A–J; L Rauber CR 2018; K Wink, JG 2019)