Are yams and sweet potatoes the same?
(Euphoria longana), tropical fruit tree, of the soapberry family (Sapindaceae), native to Asia and introduced into other warm regions of the world. The tree grows to 9-12 m (30-40 feet). The flowers are small and yellowish white. The almost spherical, yellowish brown, edible fruit, which is also called longan, has a white and juicy pulp