Dwarf Star Fruit Plant tar Fruit is a juicy tropical fruit with a delicious tart flavor. The yellow fruit is 3-4" long with a waxy skin and 5 prominent ridges. A cross-section of the cut fruit looks like a 5-pointed star. Star Fruit is low in calories and low in sugar so it's an ideal fruit for the whole family to enjoy. When it's grown in the tropics, one Star Fruit tree can provide fruit for up to three families because of its prolific fruiting habit.