Amphilophium paniculatum ( Linnaeus 1753: 623 ) Kunth

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 : 171

2.2. Amphilophium paniculatum ( Linnaeus 1753: 623) Kunth in Von Humboldt et al. (1819: 148) ( Figs. 3 f–g , 5 e ).

Diagnosis:— Amphilophium paniculatum can be recognized by the puberulous stem (vs. tomentose in A. crucigerum ), elliptic leaflet (vs. ovate in A. crucigerum ), ondulate calyx (vs. smooth in A. crucigerum ), and the white or yellow corollas (vs. lilac corollas in A. crucigerum ).

Reproductive Period:— Flowering in December, no fruiting data.

Distribution and Habitat:— Widely distributed from Mexico to Central and South America ( Lohmann & Taylor 2014). Within the study area, it was registered in Céu Azul and Matelândia.

Selected Specimens Examined:— BRAZIL. Paraná, Parque Nacional do Iguaçu: Céu Azul, borda do Parque , 25°11’00.3”S, 53°52’19.4”W, 10 December 2015, Caxambu 7112 ( HCF!); Matelândia, borda do Parque, 12 December 2019, Hentz Júnior 168 ( EVB!) .

Figures

FIGURE 3. Adenocalymma bracteatum.A.Branch showing lenticels.B.Calyx withlinear cupularand glandulartrichomes.Adenocalymma paulistarum. C. Curved prophylls of the axillary buds. Amphilophium crucigerum. D. Corolla strongly curved. E. Fruit. Amphilophium paniculatum. F. Flower showing the undulated calyx and bilabiate corolla. G. Fruit. 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.