| 
        
          | 
              
                | Beach-peanut, Burrowing four-o’clock
                     |  
                | Okenia hypogaea  
                     |  
                | Nyctaginaceae 
                     |  |   
              
                | 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. |  
                | Height: |  
                |  | 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, but perhaps not extant north of Palm Beach 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. |  
                | Wildlife and Ecology: |  
                |  |  |  
                | 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. See also the Florida Wildflower Foundation's  Flower Friday page and a 2022 post on the Treasure Coast Natives blog about the interesting pollination and reproduction of Beach-peanut. |  |  | 
              
  |  
                | Egdomilia S. Gann, 20 Nov 2015 In habitat, Delray Beach Municipal Beach, Florida
 |  |  |