Biscayne prickly-ash
Zanthoxylum coriaceum
Rutaceae


Landscape Uses:

Primarily recommended for natural landscapes and habitat restorations. Due to its limited range in South Florida, not recommended for geneneral landscape use.

Ecological Restoration Notes:

A rare element of coastal strand and maritime hammocks from Key Biscayne north to southeastern Palm Beach County.
Availability:
Grown by enthusiasts and occasionally by native plant nurseries.
Description:
Small to medium tree or large shrub with a rounded, spreading crown.
Height:
Growth Rate:
Moderate.
Range:
Southeastern South Florida, Cuba, Cayman Islands, Bahamas and Hispaniola. For a digitized image of Elbert Little's Florida range map, visit the Exploring Florida website.
Habitats:
Coastal hammocks and thickets.
Soils:
Moist, well-drained 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:
High; can tolerate moderate amounts of salt wind without significant injury.
Drought Tolerance:
High; does not require any supplemental water once established.
Light Requirements:
Full sun.
Flower Color:
Flower Characteristics:
Inconspicuous. Flowers unisexual.
Flowering Season:
All year.
Fruit:
Wildlife and Ecology:
Provides food and cover for wildlife. Larval host for giant swallowtail (Papilio cresphontes) butterflies.
Horticultural Notes:
Can be grown from seed removed from the outer coating. Scatter seeds over soil and barely cover.
Comments:
For more information, visit our Floristic Inventory of South Florida Database Online. See also Florida Natural Areas Inventory's Field Guide to the Rare Plants of Florida page (Chafin 2000).


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