Tynanthus micranthus Correia de Mello ex Schumann

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 : 186

13.1. Tynanthus micranthus Correia de Mello ex Schumann in Engler (1894: 221) ( Figs. 10 f–h , 11 b ).

Diagnosis:— Tynanthus micranthus can be recognized by the smell of clove on vegetative portions and the small and bilabiate white corolla.

Reproductive Period:— Flowers were collected from September to December, fruiting in June, October, November and December.

Distribution and Habitat:— It occurs in Paraguay, Brazil, and Argentina ( Lohmann 2010, Lohmann & Taylor 2014, Medeiros & Lohmann 2015). Within the study area, it was registered in Céu Azul, Matelândia/Serranópolis do Iguaçu, Capanema, Foz do Iguaçu, and in the PARNA Iguazú , being a new record for Argentina.

Selected Specimens Examined:— ARGENTINA. Misiones, Parque Nacional Iguazú : Puerto Iguazú , 11 August 1995, Vanni 3487 ( CTES!) . BRAZIL. Paraná, Parque Nacional do Iguaçu: Capanema , 23 November 1966, Lindeman 3354 ( MO, US) ; Céu Azul, Trilha Cachoeira do Rio Azul , 14 September 2015, Hammes 66 ( UNOP!) ; Foz do Iguaçu , 24 November 1966, Lindeman 3409 ( MBM!, MO, NYBG, P, US) ; Serranópolis do Iguaçu, 13 October 2016, Caxambu 7614 ( HCF!) .

Figures

FIGURE 10. Jacaranda puberula. A. Leaflet. B. Fruit. Jacaranda mimosifolia. C. Leaf. Mansoa difficilis. D. Leaf. E. Detail of the extrafloral nectaries. Tynanthus micranthus. F. Flowering branch. G. Corolla. H. Fruit. Drawn by Thaís Marcon.

FIGURE 11. Tabebuia roseoalba. A. Flowering branch. Tynanthus micranthus. B. Flowering branch.