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Major Sponsors:

The Elizabeth Ordway
Dunn Foundation



Smooth strongback, Bahama strongbark
Bourreria succulenta
Boraginaceae


General Landscape Uses:

Accent or specimen flowering shrub or small tree.

Ecological Restoration Notes:

A relatively common mid-canopy or ecotonal species in rockland hammocks in the Florida Keys. Very rare elsewhere.
Availability:
Native plant nurseries.
Description:
Large shrub or small tree with spreading branches that droop toward the tips. Trunks erect, about 2-6 inches in diameter. Bark thin, light brown tinged with red, slightly roughened. Leaves smooth, shining, about 2-3 inches long.
Dimensions:
Typically 10-15 feet in height; to 28 feet in South Florida. Can be as broad as tall in the sun, but usually taller than broad in the shade.
Growth Rate:
Moderate.
Range:
Monroe County Keys and Miami-Dade County; West Indies and the Netherlands Antilles (Bonaire, Curacao). Very rare on the mainland south of the Miami River.
Habitats:
Coastal hammocks.
Soils:
Moist, well-drained limestone or calcareous sandy soils with humusy top layer.
Nutritional Requirements:
Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.
Salt Water Tolerance:
Low; does not tolerate long-term flooding by salt or brackish water.
Salt Wind Tolerance:
Moderate; grows near salt water, but is protected from direct salt spray by other vegetation.
Drought Tolerance:
High; does not require any supplemental water once established.
Light Requirements:
Full sun to light shade.
Flower Color:
White.
Flower Characteristics:
Semi-showy, about 1/2" wide. Aromatic.
Flowering Season:
All year; peak summer-fall.
Fruit:
Bright orange to reddish-orange drupe.
Wildlife and Ecology:
Provides significant food and cover for wildlife, including hummingbirds and other small animals. Nectar plant for Bahamian swallowtail (Heraclides andraemon), giant swallowtail (Papilio cresphontes), julia (Dryas iulia), large orange sulphur (Phoebis agarithe), mangrove skipper (Phocides pigmalion), southern broken-dash (Wallengrenia otho) and other butterflies.
Horticultural Notes:
Can be grown from de-pulped and scarified seed. Germination may take 1-2 months.
Comments:
It is listed as endangered by the state of Florida. Synonyms: B. ovata.


 


Roger L. Hammer
Keith A. Bradley
Keith A. Bradley