Parapiptadenia rigida (Bentham 1841: 338) Brenan (1963: 228)

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 : 267

49. Parapiptadenia rigida (Bentham 1841: 338) Brenan (1963: 228) . ( Fig. 6K )

Distribution: It occurs in Argentina, Paraguay and Uruguay, and in Brazil it occurs in the South region and in the state of São Paulo in the Southeast region ( Lima & Lima 1984; Flora do Brasil 2020). In ParNa Iguaçu it occurs in the Céu Azul and Foz do Iguaçu areas.

Reproductive period: In ParNa Iguaçu it was found in flower in November, in fruit in February, March and from May to July.

Diagnostic characteristics: Trees with bipinnate leaves easily recognized by having leaflets with one to three secondary veins, spicate inflorescences and legumes with wavy valves. In ParNa Iguaçu, when sterile it can be confused with Senegalia polyphylla , but is differentiated by its sessile, elongate nectary (vs. sessile, concave nectary) and leaflets with 3 veins (vs. 1 vein).

Conservation: Native-NE.

Selected examined material: BRAZIL. Paraná: Area 1, Céu Azul , 19 March 2019, (fr.), C.R. Rauber 349 ( UNOP) ; Area 2, Capanema , 2 September 2019, (fr.), C.R. Rauber 416 ( UNOP) ; Area 3, Foz do Iguaçu , 1 July 2017, (fr.), L.C.P. Lima 965 ( EVB) .

Figures

FIGURE 6.A:Lonchocarpus cultratus, flower; Band C:Machaerium hirtum:B: branch withinflorescence;C:fruit;D: Macropsychanthus violaceus, flower; E and F: Macroptilium erythroloma: E: inflorescence; F: infructescence; G and H: Mimosa pigra: G: branch with inflorescence; H: infructescence; I and J: Mucuna urens: I: branch with inflorescence; J: inflorescence; K: Parapiptadenia rigida, branch with fruit; L: Schnella microstachya, fruit. (Rauber CR 2018)