| Krug’s holly, Tawnyberry holly
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| Ilex krugiana
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| Aquifoliaceae
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Landscape Uses:
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Accent or specimen tree in restidential or commercial landscapes. |
Ecological Restoration Notes: |
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A common sub-canopy or canopy tree in rockland hammocks on the Miami Rock Ridge. |
| Availability: |
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Rarely grown by native plant nurseries. |
| Description: |
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Medium tree, rarely a large tree, with and erect trunk and an open, irregular crown. Bark thin, smooth, nearly white on younger trees. Leaves dull green, leathery, 1/2 - 1 1/2 inches long. |
| Height: |
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Typically 20-30 feet in height; to 55 feet in South Florida. Taller than broad. |
| Growth Rate: |
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Moderate. |
| Range: |
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Miami-Dade County; Bahamas, Hispaniola and Puerto Rico. In South Florida, known only from Long Pine Key in Everglades National Park northeast along the Miami-Rock Ridge to the Miami River. For a digitized image of Elbert Little's Florida range map, visit the Exploring Florida website. |
| Habitats: |
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Rockland hammocks. |
| Soils: |
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Moist, well-drained limestone soils, with humusy top layer. |
| Nutritional Requirements: |
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Moderate; can grow in nutrient poor soils, but needs some organic content to thrive. |
| Salt Water Tolerance: |
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Low; does not tolerate 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 to light shade. |
| Flower Color: |
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White. |
| Flower Characteristics: |
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Inconspicuous. Dioecious, with male and female flowers on separate plants. |
| Flowering Season: |
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Spring. |
| Fruit: |
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Red drupe, turning purplish to black. |
| Wildlife and Ecology: |
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Provides significant food and cover for wildlife. |
| Horticultural Notes: |
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Can be grown from de-pulped seed after the fruit is fully ripe. Clean and plant right away; the seeds do not store well. Plant in a container with at least 2" of soil. Sprinkle soil to just cover the seeds. Place in partial shade. |
| Comments: |
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The leaves turn conspicuously black when they die. It is listed as threatened by the state of Florida. |
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