| Blacktorch
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| Erithalis fruticosa
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| Rubiaceae
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Landscape Uses:
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Accent shrub. Buffer plantings. |
Ecological Restoration Notes: |
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A rather common element of coastal thickets in the Florida Keys; rare elsewhere. |
| Availability: |
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Available at native plant nurseries in central and South Florida. Available in Lake Worth at Amelia's SmartyPlants (561-540-6296). |
| Description: |
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Medium to large densely-leaved shrub. Bark dark brown striped with light brown. Leaves flat, 1-3 inches or more in length. |
| Height: |
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About 4-8 feet in height. Usually taller than broad. |
| Growth Rate: |
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Slow to moderate. |
| Range: |
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Monroe County Keys north along the east coast to Martin County; West Indies, Mexico, Central America and northern South America. Rare in southeastern Florida outside the Florida Keys. In Broward County, known only from Hugh Taylor Birch State Park. |
| Habitats: |
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Coastal hammocks. |
| Soils: |
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Moist, well-drained to moderately well-drained limestone or sandy 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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Moderate; tolerates brackish water or occasional inundation by salt 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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Moderate; generally requires moist soils, but tolerant of short periods of drought once established. |
| Light Requirements: |
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Full sun. |
| Flower Color: |
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White. |
| Flower Characteristics: |
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Semi-showy. |
| Flowering Season: |
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All year. |
| Fruit: |
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Shiny purple to black drupe; juicy. |
| Wildlife and Ecology: |
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Nectar plant for Miami blue (Cyclargus thomasi bethunebakeri) butterflies. |
| Horticultural Notes: |
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Can be grown from de-pulped seed. Plant in container with 2" or more of soil. Sprinkle soil to just cover the seeds and place in full sun. |
| Comments: |
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It is listed as threatened by the state of Florida. |
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James Johnson, 2014 In habitat, John Pennekamp Coral Reef State Park, Monroe County, Florida
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George D. Gann, 2013 in habitat, Everglades National Park, Key Largo, Florida
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George D. Gann, 2013 in habitat, Everglades National Park, Key Largo, Florida
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