|                    Thickleaf wild petunia
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                |                    Ruellia succulenta  
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                |                    Acanthaceae 
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                 Landscape Uses:
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                 Wildflower and rock gardens. | 
               
                Ecological Restoration Notes:  | 
               
              
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                 It can be used as one of many understory herbs in pine rocklands. | 
               
              
                | Availability: | 
               
              
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                 Grown by enthusiasts and occasionally by native plant nurseries. | 
               
              
                | Description: | 
               
              
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                 Small herbaceous wildflower. | 
               
              
                | Height: | 
               
              
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                 About 4-8 inches in height.  Spreading or erect, but often as broad as tall. | 
               
              
                | Growth Rate: | 
               
              
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                 Moderate. | 
               
              
                | Range: | 
               
              
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                 Endemic from the Monroe County Keys north to Miami-Dade and Collier counties, and very rare or extirpated in Broward, Lee and Charlotte counties.  Common in the pine rocklands of Miami-Dade County.  In the Monroe County Keys, disjunct from Miami-Dade County to the pine rocklands of Big Pine Key.  In Broward County, recorded only from Hillsboro Pineland Natural Area. | 
               
              
                | Habitats: | 
               
              
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                 Pinelands. | 
               
              
                | Soils: | 
               
              
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                 Moist, well-drained limestone or 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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                 Low; salt wind may burn the leaves. | 
               
              
                | 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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                 Blue or rarely pink. | 
               
              
                | Flower Characteristics: | 
               
              
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                 Showy, 1 to 1 1/2" wide. | 
               
              
                | Flowering Season: | 
               
              
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                 All year. | 
               
              
                | Fruit: | 
               
              
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                 Inconspicuous green capsule. | 
               
              
                | Wildlife and Ecology: | 
               
              
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                 Provides food for birds.  Possible larval host plant for the common buckeye (Junonia coenia) and introduced malachite (Siproeta stelenes) butterflies. | 
               
                     
                | Horticultural Notes: | 
               
              
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                 Can be grown from seeds, cuttings and divisions. | 
               
              
                | Comments: | 
               
              
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                 The leaves are sometimes reddish purple.  It will spread from seed in the garden, but is not aggressive. | 
               
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                    James Johnson, 2014 In habitat, Everglades National Park, Florida
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                    James Johnson, 2014 In habitat, Everglades National Park, Florida
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                    George D. Gann, 2013 In habitat, Miami-Dade County, Florida
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