General Landscape Uses:
Primarily recommended for natural landscapes and habitat restorations.
Ecological Restoration Notes:
Ephemeral in open areas of beach dune and coastal strand along the east coast.
Grown by one or two native plant nurseries in South Florida.
Small creeping annual herbaceous wildflower.
About 2-6 inches in height. Spreading and forming rather large, open patches.
Miami-Dade County north along the east coast to St. Lucie County, but perhaps not extant north of Palm Beach County; southern Mexico.
Map of select IRC data from peninsular Florida.
Map of ZIP codes with habitat recommendations north to Martin and Charlotte counties.
Beach dunes and open disturbed sites along the coast.
Moist, well-drained 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:
Pioneer; grows in unconsolidated substrate in direct salt wind and spray.
High; does not require any supplemental water once established.
Showy. Dimorphic; showy flowers are purple and infertile.
Spring-fall; peak in summer.
Brown peanut-like fruit form and mature underground. Fall.
Can be grown from seed.
A very ephemeral annual that prefers newly disturbed sand. It is listed as endangered by the state of Florida.