BIOLOGY
Heterostyly and self-incompatibility occur in A. carambola. Pollen grains
are elongated or spherical; a suitable pollen viability test would be in vitro
pollen germination. A. carambola is insect pollinated, the pollinators being
honeybees and Diptera species. Flowering continues throughout the year
and fruit is available most of the year. Seedling varieties should crop in 3-
8 years, selected grafted varieties in only 1-2 years.