• Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS

Clusia rosea

pitch-apple, autograph tree

Nomenclature

Common Name:

pitch-apple, autograph tree

Synonym(s):

Genus species:

Clusia rosea

Family:

Clusiaceae

Plant Specifics

Form:

tree

Size:

25-50 ft

Life Span:

Long-lived perennial

Flower Color:

white,pink

Fruit Color:

orange,green

Phenology:

Evergreen, blooms in warmer months

Noted For:

Showy Flowers, Showy Fruits, Hurricane Wind Resistance, Interesting Foliage

Landscaping

Recommended Uses:

Specimen tree. Flowers are open at night.

Considerations:

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Availability:

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Propagation:

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Light:

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Moisture Tolerance:

Always Flooded---------------------------------Extremely Dry

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Usually moist, occasional inundation -to- Very long very dry periods

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

High. Can tolerate significant and ongoing amounts of salt.

Soil or Other Substrate:

Sand, Lime Rock

Soil pH:

Calcareous

Suitable to Grow In:

10A,10B,11

Ecology

Wildlife:

Birds, Mammals

Can produce seed without pollination.

Dense foliage creates cover for birds and other wildlife ( https://www.plantcreations.com/ ).

Native Habitats:

Cultivated. According to Wunderlin (1998), probably native, but may not exist outside of cultivation today. Xeric and dry mesic hammocks, scrub.

Comments:

Ethnobotany:

The black material surrounding the seeds was once used to caulk the seams of boats leading to the name pitch apple.



The leathery leaves can be scratched with the scratches remaining on the leaves until they fall -- thus autograph tree.

General Comments:

This Florida native has been introduced into Hawaii where it is extremely invasive. In fact, it has earned the distinction of being listed in the Global Compendium of Weeds.



In Florida, it is known to naturalize into areas near where it has been planted.   Avoiding the use of this in landscape settings where it could escape is recommended.