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.