Handroanthus chrysotrichus (Martius ex De Candolle 1845: 216 ) Mattos (1970: 1)

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 : 180

6.2. Handroanthus chrysotrichus (Martius ex De Candolle 1845: 216) Mattos (1970: 1) ( Figs. 8 b , 9 b–c ).

Diagnosis:— Handroanthus chrysotrichus can be recognized by the hirsute calyces and fruits (vs. smooth calyces and fruits in other Handroanthus species).

Reproductive Period:— Flowers were collected in September and October, fruiting in October.

Distribution and Habitat:— Occurs in Argentina and Brazil (Gentry 1992, Lohmann 2010). Within the study area, it was registered in Céu Azul and Foz do Iguaçu, and young individuals were seen in Serranópolis do Iguaçu, in a reforestation area.

Selected Specimens Examined:— BRAZIL. Paraná, Parque Nacional do Iguaçu: Foz do Iguaçu, em frente ao Hotel , 15 September 2018, Hentz Junior 48 ( UNOP!); Céu Azul , PIC, 25°09’18.4”S, 53°50’51.6”W, 12 October 2016, Caxambu 7579 ( HCF!) .

Figures

FIGURE 8. Handroanthus albus. A. Inflorescence. Handroanthus chrysotrichus. B. Prodranea ricasoliana. C. Branch and Inflorescence. Pyrostegia venusta. D. Flower.

FIGURE 9. Handroanthus albus. A. Leaflets with serrated margins. Handroanthus chrysotrichus. B. Leaf with trichomes. C. Hirsute calyx. Handroanthus impetiginosus. D. Leaf. Jacaranda micrantha. E. Fruit. F. Leaf. Drawn by Thaís Marcon.