Pterocarpus macrocarpus Kurz, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 43(2): 187 (1874).
Winged fruits of the Burma padauk or maidu, known as “palbosa” in the potpourri trade, are essentially flat with an elevated center, 2-4 cm in diameter, on a 5-10 mm stem.
Pterocarpus macrocarpus is native to Cambodia, Laos, Myanmar, Thailand, and Vietnam.
Fabaceae (alt. Leguminosae) also placed in Papilionaceae