SelecTree: Tree Detail

STAR FRUIT
Averrhoa carambola

Averrhoa carambola Averrhoa carambola Averrhoa carambola Averrhoa carambola Averrhoa carambola Averrhoa carambola Averrhoa carambola

Photo Locations: Princeville and Kona, HI

General Notes

Star fruit performs well under diverse conditions, ranging from waterlogged to fairly dry soils, although alkaline soil tends to produce chlorosis of the foliage. The juice is used as a stain-remover. Fruit used for food and for use in drinks and preserves. Used medicinally in China, Thailand, and Indonesia. Averrhoa carambola has a HPWRA (Hawai'i Pacific Weed Risk Assessment) score of -1 (Low Risk).

Native to Malaysia to Melanesia.

Family: Oxalidaceae

Additional Common Names

STAR FRUIT, CARAMBOLA, FIVE-CORNER

Tree Characteristics

Erect or Spreading Low or High Canopy.

Rounded Shape.

Has Evergreen foliage.

Height: 20 - 30 feet.

Width: 20 - 30 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years.

Leaves Pinnately Compound with Ovate Leaflets, Green, No Change, Evergreen.

Flowers Inconspicuous. White or Pink. Flowers in Fall, Winter, Spring or Summer. Has perfect flowers (male and female parts in each flower).

Prolific, Green to Yellow Berry, Very Large (Over 3.00 inches), fruiting in Fall, Winter, Spring or Summer Edible.

Bark Brown to Gray, Smooth.

Shading Capacity Rated as Low to Moderately Dense in Leaf.

Litter Issue is Dry Fruit and Leaves.

Tree Site Conditions & Constraints

Sunset Zones H1, H2.

USDA Hardiness Zones 10 - 11.

Exposure Full Sun.

Wet to Dry Soil.

Drought tolerant.

Clay, Loam or Sand Texture.

Highly Acidic to Slightly Alkaline Soil pH.

Salinity Tolerance is Good to Moderate Inland.

Seaside Tolerance is Good in Mild Zone.

Cite this tree:
SelecTree. "Averrhoa carambola Tree Record." 1995-2020. Sep 29, 2020.
< https://selectree.calpoly.edu/tree-detail/averrhoa-carambola >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.