Short trunked, multi-branched tree.
Deciduous in low, near freezing temperatures. Evergreen in regions
25-30' high and 20-25' wide.
Small, pink to purple, five petals, fragrant, clustered.
2-4 times a year in regions without freezes.
Years before fruiting:
Yellow, waxy skin, usually five longitudinal ribs (can be 4-8), star-shaped
cross section. Dark yellow, translucent, juicy flesh with 0-12 edible seeds. The flavor
varies from very sour (high oxalic acid) to mildly sweet.
Months for fruit to ripen:
2-3. Ripe when fully colored and ribs are beginning to turn brown.
Does not ripen off the tree.
Storage after harvest:
One week at room temperature.
Green, grouped as 5-11 leaflets, tend to fold at night or when touched.
Not invasive in dry climates.
Cultivars of Note:
'Arkin' Medium to large fruit, sweet, good flavor, self-pollinating,
the leading commercial cultivar, created in Florida.
'Fwang Tung' Medium to large fruit, sweet, very good flavor,
self-pollinating, from Thailand.
'Kary' Medium to large fruit, sweet, very good flavor,
'Sri Kembangan' Large fruit, sweet, good flavor, self-pollinating,
Attracts bees, moths.
Toxic / Danger:
The fruit contains oxalic acid, and sour fruit varieties have high amounts.
This can be dangerous for those with kidney disease.