Bignonia binata Thunberg (1821: 35)

Hentz Júnior, Elmar J., Lohmann, Lúcia G., Caxambu, Marcelo G., Temponi, Lívia G. & Pires Lima, Laura C., 2022, Floristic Inventory of the Iguaçu and Iguazú National Parks (Brazil and Argentina): Bignoniaceae, Phytotaxa 570 (2), pp. 165-192 : 172-173

3.1. Bignonia binata Thunberg (1821: 35) ( Figs. 4 a , 5 f ).

Diagnosis:— Bignonia binata can be recognized by the cylindrical and smooth stems (vs. tetragonal and winged in B. sciuripabulum ), and inflorescence racemose (vs. thyrsoid in B. sciuripabulum ).

Reproductive Period:— Flowering from October to February, fruiting in December.

Distribution and Habitat:— It occurs from Mexico to Central and South America ( Lohmann 2010, Lohmann & Taylor 2014, Zuntini et al. 2015). Within the study area, it was registered in Capanema, Céu Azul, Foz do Iguaçu, and in the PARNA Iguazú , in sympatry with B. sciuripabulum .

Selected Specimens Examined:— ARGENTINA. Misiones, Parque Nacional Iguazú : Puerto Iguazú , islãs del paseo superior, 29 February 1996, Vanni 3535 ( CTES!) . BRAZIL. Paraná, Parque Nacional do Iguaçu: Capanema , margem do Rio Iguaçú , 08 December 1966, Lindeman 3481 ( US, SPF) ; Céu Azul, trilha de Educação Ambiental , 07 November 2019, Ribeiro 06 ( EVB!) ; Foz do Iguaçu, Trilha do Poço Preto , 03 October 2006, Labiak 3837 ( SPF, MBM, UPCB!) .

Figures

FIGURE 4. Bignonia binata A. Fruit. Bignonia sciuripabulum. B. Fruit. Dolichandra cynanchoides. C. Corolla. Dolichandra dentata. D. Leaflets with serrated margin. E. Seeds. Dolichandra hispida. F. Branch with hispid trichomes. G. Flower showing bilabiate calyx. Drawn by Thaís Marcon.

FIGURE 5. Adenocalymma marginatum. A. Habit and leaflet with coriaceous margins. B. Inflorescence. C. Leaflet hyaline margin. Amphilophium crucigerum. D. Flower. Amphilophium paniculatum. E. Bilabiate flower and undulated calyx. Bignonia binata. F. Habit. Bignonia sciuripabulum. G. Inflorescence.