Averrhoa carambola Each fruit may have up to twelve 6-12.5 mm long seeds, which are flat, thin and brown. Some cultivated forms produce fruits with no seeds. The species in the genus "Averrhoa" along with the species in genus "Sarcotheca" are the only woody, tree-like plants belonging to the Oxalis family Oxalidaceae. The Oxalis family has nearly 900 species, most are herbaceous perennials or annuals native from tropical and semitropical locations though a number also grow in other parts of the world. "Averrhoa" has sometimes been placed in the family Averrhoaceae. "Averrhoa carambola" is one of two species in the genus "Averrhoa",
Common name not always English. For example, "Dikkop" is the centuries-old South African vernacular name for their two local species: "Burhinus capensis" is the Cape dikkop (or "gewone dikkop", not to mention the presumably much older Zulu name "umBangaqhwa"); "Burhinus vermiculatus" is the "water dikkop". The thick joints in question are not even, in fact, the birds’ knees, but the intertarsal joints—in lay terms the ankles. Furthermore, not all species in the genus have “thick knees”, so the thickness of the "knees" of some species is not of clearly descriptive significance. The family Burhinidae has members that have various common names even