Habit: Catalpa longissima grows as a tree up to 20 m in height. The simple leaves are arranged oppositely, elliptic to lanceolate, to 15 cm in length, with a acuminate leaf apex and an entire leaf margin.
The perfect, complete, zygomorphic flowers are arranged in few flowered panicles. The calyx has 5, fused, greenish sepals. The corolla has 5, pink/white/yellow with purple striations in the throat, fused petals that are bilabiate. There are 4 stamens fused to the corolla tube. The superior ovary has 2 locules and forms a capsule at maturity. The seeds are winged.
Habitat: Catalpa longissima occurs in Human Altered environments (yards, gardens).
Distribution: Catalpa longissima is NOT native to the Lucayan Archipelago. It is native to Hispaniola and Jamaica.
Medicinal/Cultural/Economic usage: Catalpa longissima has is not known to be used medicinally in the Lucayan Archipelago.