BugwoodWiki Article

bristly locust
Robinia hispida L.


Robinia hispida is a deciduous shrub, to 8 ft. The multiple stems are erect and covered with dense bristles. Caution: All parts of this plant are poisonous. It is native to the southeastern United States.
The alternate, pinnately compound leaves have 7 - 19 leaflets about 1.5-2 in. long. They are densely hairy with smooth edges. Most leaves have a pair of long spines at their base.
The dark to light pink pea like flowers are clustered in the leaf axils. The flowers bloom from May through June.
The thin seed pods are 2-4 in. long and densely covered with bristly hairs.
Ecological Threat
Robinia hispida was planted for erosion control and can be found in disturbed areas such as old fields and along roadsides. It prefers full sun.