Petaline spur circinate , ca. 8 mm . Persistent style ca. 2.5 mm .
拳卷的花瓣状距，大约8毫米宿存花柱大约2.5毫米。
Common thorny tropical american tree having terminal racemes of yellow flowers followed by sickle-shaped or circinate edible pods and yielding good timber and a yellow dye and mucilaginous gum .
