Wild-allamanda, Hammock viperstail
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Pentalinon luteum
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Apocynaceae
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Landscape Uses:
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Accent vine. |
Ecological Restoration Notes: |
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Availability: |
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Native plant nurseries. Available in Lake Worth at Amelia's SmartyPlants, Available in Key West at Key West Botanical Garden. |
Description: |
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Clambering or twining woody vine with glossy leaves and attractive yellow flowers. |
Height: |
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N/A; vine with stems to 10 feet or more in length. |
Growth Rate: |
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Moderate. |
Range: |
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Monroe County Keys north to St. Lucie and Lee counties; the West Indies and the Bay Islands of Honduras. |
Habitats: |
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Pinelands, hammocks and coastal thickets. |
Soils: |
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Moist, well-drained to moderately well-drained sandy, limestone, or organic soils, with or without humusy top layer. |
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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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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Yellow. |
Flower Characteristics: |
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Showy, about 2" wide. |
Flowering Season: |
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All year; peak spring-summer. |
Fruit: |
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Two-parted pod of elongated, slender incurved follicles. |
Wildlife and Ecology: |
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Larval host plant for polka-dot wasp moths (Syntomeida epilais). |
Horticultural Notes: |
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Comments: |
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An attractive twining vine with glossy leaves. The sap is poisonous if ingested, is irritating to the eyes and can cause a skin rash. |
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