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Milkbark, Whitewood
Drypetes diversifolia
Putranjivaceae
 

Copyright by: George D. Gann
in habitat, Everglades National Park, Key Largo, Florida, 2013

General Landscape Uses: Specimen or accent tree in the Florida Keys.

Ecological Restoration Notes: An occasional element of rockland hammocks.

Availability: Grown by one or two native plant nurseries in South Florida.

Description: Medium tree with and erect trunk. Bark smooth, white, usually covered with patches of gray, brown or yellow patches. Leaves stiff, dark green above, 3-5 inches long.

Dimensions: Typically 20-30 feet in height; to 46 feet in South Florida. Taller than broad.

Growth Rate: Slow.

Range: Monroe County Keys and Miami-Dade County; Bahamas. In Miami-Dade County, not known from the mainland; known only from the Florida Keys in and around Elliott Key in Biscayne National Park. For a digitized image of Elbert Little's Florida range map, visit the Exploring Florida website.

Map of select IRC data from peninsular Florida.

Habitats: Rockland hammocks.

Soils: Moist, well-drained limestone 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: Low; salt wind may burn the leaves.

Drought Tolerance: Moderate; generally requires moist soils, but tolerant of short periods of drought once established.

Light Requirements: Light shade.

Flower Color: Yellowish-white.

Flower Characteristics: Inconspicuous. Dioecious, with male and female flowers on separate plants.

Flowering Season: All year; peak in summer.

Fruit: Ivory-white ovoid drupe.

Wildlife and Ecology: Larval host plant for Florida white (Appias drusilla) butterflies.

Horticultural Notes: Can be grown from seed.

Comments: The seedling leaves resemble those of holly (Ilex). It is listed as endangered by the state of Florida.


Copyright by: George D. Gann
in habitat, Everglades National Park, Key Largo, Florida, 2013

Copyright by: George D. Gann
in habitat, Everglades National Park, Key Largo, Florida, 2013

Copyright by: George D. Gann
in habitat, Everglades National Park, Key Largo, Florida, 2013

Copyright by: George D. Gann
in habitat, Everglades National Park, Key Largo, Florida, 2013


Other data on Drypetes diversifolia available from:



 
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