1.3. Adenocalymma paulistarum Bureau ex Schumann in Engler (1894: 214) (Figs. 3 c).

Diagnosis:— Adenocalymma paulistarum can be identified by the curved prophylls (vs. straight prophylls in A. bracteatum and A. marginatum), and by the exserted or sub-exserted filaments and stigma (vs. inserted in both A. bracteatum and A. marginatum).

Reproductive Period:— Flowering from June to October, no data regarding fruiting period.

Distribution and Habitat:— It occurs in Argentina, Brazil, and Paraguay (Lohmann 2010, Fonseca & Lohmann 2019). Within the study area, it was registered in Matelândia, Foz do Iguaçu, and in the PARNA Iguazú, on trails’ border.

Selected Specimens Examined:— ARGENTINA. Misiones, Parque Nacional Iguazú: Puerto Iguazú, Camping Nandu, 20 September 1995, Herrera 82 (CTES!) . BRAZIL. Paraná, Parque Nacional do Iguaçu: Foz do Iguaçu, Trilha do Poço Preto, 07 October 2007, Temponi 494 (UNOP!) ; Matelândia, borda do Parque, 25°21’42.7”S 53°52’24.7”W, 339m, 13 October 2016, Caxambu 7594 (HCF!; UEC) .