|                    Devil’s-potato, Rubbervine
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                |                    Echites umbellatus
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                |                    Apocynaceae 
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                 Landscape Uses:
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                 Vine on trellises and fences.  Wildflower and rock gardens. | 
               
                Ecological Restoration Notes:  | 
               
              
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                 Relatively common in pine rocklands and coastal uplands along the east coast. | 
               
              
                | Availability: | 
               
              
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                 Grown by enthusiasts. | 
               
              
                | Description: | 
               
              
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                 Clambering or climbing vine. | 
               
              
                | Height: | 
               
              
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                 N/A; a vine with stems 5 feet or more in length. | 
               
              
                | Growth Rate: | 
               
              
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                 Moderate to fast. | 
               
              
                | Range: | 
               
              
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                 Monroe County north along the east coast to Brevard County; West Indies, southern Mexico and northern Central America. | 
               
              
                | Habitats: | 
               
              
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                 Pine rocklands, hammock edges and coastal thickets. | 
               
              
                | Soils: | 
               
              
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                 Moist, well-drained limestone or sandy soils, with or without humusy top layer. | 
               
              
                | Nutritional Requirements: | 
               
              
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                 Moderate to low; it prefers soils with organic content, but will still grow reasonably well 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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                 High; can tolerate moderate amounts of salt wind without significant injury. | 
               
              
                | 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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                 White. | 
               
              
                | Flower Characteristics: | 
               
              
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                 Showy. | 
               
              
                | Flowering Season: | 
               
              
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                 All year; peak in summer. | 
               
              
                | Fruit: | 
               
              
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                 Paired slender pods that open on one side, 6-8" long.  Dispersal is by wind. | 
               
              
                | Wildlife and Ecology: | 
               
              
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                 Larval host for native moths, including the oleander moth (or polka dot wasp moth; Syntomeida epilais), tetrio sphinx moth (Pseudosphinx tetrio), and Uncle Sam moth (or faithful beauty; Composia fidelissima). For an excellent article by George Rogers on devil’s-potato as a host for moths, visit the Treasure Coast Natives blog.  | 
               
                     
                | Horticultural Notes: | 
               
              
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                 Can be grown from seeds. For excellent and detailed information on Devil’s-potato propagation, see Fairchild Tropical Garden's Connect To Protect fact sheet. 
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                | Comments: | 
               
              
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                 An attractive vining wildflower. See a 2018 post on the Treasure Coast Natives blog on Devil’s-Potato and Its Mimectic Moths. | 
               
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                    George D. Gann in habitat, Everglades National Park, 2012
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                    George D. Gann in habitat, Everglades National Park, 2012
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