General Landscape Uses:
Wildflower and rock gardens.
Ecological Restoration Notes:
It can be used as one of many understory herbs in pine rocklands.
Grown by enthusiasts.
Small to medium erect wildflower.
About 6-18 inches in height, sometimes taller, or vine-like to 3 feet in length. Taller than broad.
Monroe County Keys and Miami-Dade and Collier counties; West Indies. In the Monroe County Keys, disjunct from Miami-Dade County to the pine rocklands of Big Pine Key and nearby islands.
Map of select IRC data from peninsular Florida.
Pinelands and marl prairies.
Moist, well-drained limestone or sandy soils, without humus.
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
Low; does not tolerate long-term flooding by salt or brackish water.
Salt Wind Tolerance:
Moderate; grows near salt water, but is protected from direct salt spray by other vegetation.
High; does not require any supplemental water once established.
Showy, about 1" long and 3/4" wide.
Slender cylindrical pods.
The flower resembles a small form of the commonly cultivated allamanda. The sap can cause eye irritation and a skin rash. It is listed as threatened by the state of Florida.