Beach-peanut, Burrowing four-o’clock
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Okenia hypogaea
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Nyctaginaceae
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Landscape Uses:
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Primarily recommended for natural landscapes and habitat restorations. |
Ecological Restoration Notes: |
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Ephemeral in open areas of beach dune and coastal strand along the east coast. |
Availability: |
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Grown by one or two native plant nurseries in South Florida. |
Description: |
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Small creeping annual herbaceous wildflower. |
Height: |
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About 2-6 inches in height. Spreading and forming rather large, open patches. |
Growth Rate: |
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Fast. |
Range: |
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Miami-Dade County north along the east coast to St. Lucie County, but perhaps not extant north of Palm Beach County; southern Mexico. |
Habitats: |
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Beach dunes and open disturbed sites along the coast. |
Soils: |
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Moist, well-drained sandy soils, without humus. |
Nutritional Requirements: |
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Low; it grows in nutrient poor soils. |
Salt Water Tolerance: |
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Low; does not tolerate long-term flooding by salt or brackish water. |
Salt Wind Tolerance: |
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Pioneer; grows in unconsolidated substrate in direct salt wind and spray. |
Drought Tolerance: |
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High; does not require any supplemental water once established. |
Light Requirements: |
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Full sun. |
Flower Color: |
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Purple. |
Flower Characteristics: |
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Showy. Dimorphic; showy flowers are purple and infertile. |
Flowering Season: |
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Spring-fall; peak in summer. |
Fruit: |
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Brown peanut-like fruit form and mature underground. Fall. |
Wildlife and Ecology: |
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Horticultural Notes: |
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Can be grown from seed. |
Comments: |
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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. |
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Egdomilia S. Gann, 20 Nov 2015 In habitat, Delray Beach Municipal Beach, Florida
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