General Landscape Uses:
Thorny barriers. This can be very aggressive and is not recommended for general landscape use.
Ecological Restoration Notes:
This is a common element of coastal strand and the edges of maritime hammocks, but more often than not it needs to be controlled at disturbed sites undergoing restoration.
Rarely grown by enthusiasts.
A clambering vine with spiny stems and prickly leaves.
N/A; a clambering vine with stems to 25 feet.
Fast to moderate.
General in the tropics and subtropics.
Map of select IRC data from peninsular Florida.
Moist sands or limestone to occasionally inundated brackish soils, with or without a humusy top layer.
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
Moderate; tolerates brackish water or occasional inundation by salt water.
Salt Wind Tolerance:
Secondary line; tolerates significant salt wind without injury, but usually is somewhat protected.
High; does not require any supplemental water once established.
Semi-showy compund racemes; the flowers are fragrant.
All year; peak spring-summer.
Reddish-brown prickly pod (legume) containing gray seeds.
Wildlife and Ecology:
Larval host plant for Miami blue (Hemiargus thomasi bethunebakeri) and nickerbean blue (Hemiargus ammon) butterflies.
Can be grown from seed.