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Beach-peanut, Burrowing four-o’clock
Okenia hypogaea
Nyctaginaceae


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.
Availability:
Grown by one or two native plant nurseries in South Florida.
Description:
Small creeping annual herbaceous wildflower.
Dimensions:
About 2-6 inches in height. Spreading and forming rather large, open patches.
Growth Rate:
Fast.
Range:
Miami-Dade County north along the east coast to St. Lucie County; southern Mexico.
Habitats:
Beach dunes and open disturbed sites along the coast.
Soils:
Moist, well-drained sandy soils, without humus.
Nutritional Requirements:
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.
Drought Tolerance:
High; does not require any supplemental water once established.
Light Requirements:
Full sun.
Flower Color:
Purple.
Flower Characteristics:
Showy. Dimorphic; showy flowers are purple and infertile.
Flowering Season:
Spring-fall; peak in summer.
Fruit:
Brown peanut-like fruit form and mature underground. Fall.
Horticultural Notes:
Can be grown from seed.
Comments:
A very ephemeral annual that prefers newly disturbed sand. It is listed as endangered by the state of Florida.


 


Egdomilia S. Gann, 20 Nov 2015
In habitat, Delray Beach Municipal Beach, Florida
Keith A. Bradley
Keith A. Bradley
Keith A. Bradley
Roger L. Hammer