Amphitecna macrophylla (Bigleaf Black Calabash)
Botanical name: Amphitecna macrophylla
Common name: Bigleaf Black Calabash
Family: Bignoniaceae
Origin: Mexico, Guatemala
Similar plants: Amphitecna macrophylla (Bigleaf Black Calabash)
Link to this plant:
https://toptropicals.com/catalog/uid/amphitecna_macrophylla.htm