Senegalia tucumanensis (Grisebach 1874: 135) Seigler & Ebinger (2006: 76)

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 : 271-272

61. Senegalia tucumanensis (Grisebach 1874: 135) Seigler & Ebinger (2006: 76) . ( Fig. 8C – Fig. 9E and F )

Distribution: It occurs from Mexico to Argentina ( Rico-Arce 2007); in Brazil it occurs only in states of the South region and in Mato Grosso do Sul of the Central-west region ( Flora do Brasil 2020). In ParNa Iguaçu it occurs in Matelândia in the Capanema area and in the Céu Azul area.

Reproductive period: According to Barros & Morim (2014), it flowers from December to January and fruits from January to August. In ParNa Iguaçu it was found in flower in January and December and in fruit in March and June.

Diagnostic characteristics: Lianas with bipinnate leaves recognized by the stipitate, foliar nectaries between the

1–2 pairs of basal leaflets and also between the 2–4 terminal ones and the inflorescences in glomerules. Conservation: Native-NE Selected examined material: BRAZIL. Paraná: Area 1, Céu Azul , 30 January 2019, (fl.), C.R. Rauber et al. 320

(UNOP); Area 2, Matelândia, 06 December 1966, (fl.), J. Lindeman 3459 ( UB) .

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)

FIGURE 9. A and B: Poecilanthe parviflora: A: inflorescence; B: flower; C: Senegalia nitidifolia, branch with nectaries; D: Senegalia tenuifolia, stem with prickles; E and F: Senegalia tucumanensis: E: branch with inflorescence; F: inflorescence; G and H: Zornia reticulata: G: branch with flower; H: flower.