Key tree cactus
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Pilosocereus robinii
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Cactaceae
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Landscape Uses:
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Accent or specimen shrub. Because of its rarity and the chance of genetic contamination, it is not recommended for general landscape use in South Florida. |
Ecological Restoration Notes: |
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Very rare in coastal hammocks in the Florida Keys. |
Availability: |
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Grown by enthusiasts and botanical gardens. |
Description: |
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Large shrub or small tree. |
Height: |
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Typically 5-15 feet in South Florida. |
Growth Rate: |
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Moderate. |
Range: |
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Florida Keys; West Indies. For a digitized image of Elbert Little's Florida range map, visit the Exploring Florida website. |
Habitats: |
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Coastal hammocks and thickets. |
Soils: |
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Moist, well-drained sandy or limestone soils, with or without humus. |
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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Moderately low; does not tolerate long-term flooding by salt or brackish water, but tolerates short term inunation by salt water from storm surge with minimal damage. |
Salt Wind Tolerance: |
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Moderate; grows near salt water, but is protected from direct salt spray by other vegetation. |
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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Yellowish-white. |
Flower Characteristics: |
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Showy. |
Flowering Season: |
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All year. |
Fruit: |
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Large, red berry. |
Wildlife and Ecology: |
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Horticultural Notes: |
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Can be grown from seed and cuttings. |
Comments: |
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Material from both South Florida and elsewhere in the West Indies is in cultivation in South Florida. Horticultural synonyms: P. bahamensis, P. robinii.
For more information, visit our Floristic Inventory of the Florida Keys Database Online. See also Florida Natural Areas Inventory's Field Guide to the Rare Plants of Florida page (Chafin 2000). |
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Keith A. Bradley in habitat, Abaco Island, Bahamas, 2006
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Roger L. Hammer in habitat, Florida Keys
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Alex Seasholtz, 2022. In habitat on Big Pine Key.
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