Averrhoa carambola both have edible fruit; the other species "Averrhoa bilimbi", which is sometimes called the Bilimbi or the Cucumber Tree, is limited to tropical regions. The fruits of "A. bilimbi" are too sour to be eaten raw, while the sweet forms "A. carambola" are eaten raw. The fruits of "A. bilimbi" and the sour forms, which have high oxalic acid content, of "A. carambola" are pickled and made into jelly, jam, and juice. The genus was named after Abū 'l-Walīd Muḥammad bin Aḥmad bin Rushd (better known just as Ibn Rushd), who was called Averroes in European literature - a famous
Common name languages; the word for "cat", for instance, is easily recognizable in most Germanic and many Romance languages. Many vernacular names, however, are restricted to a single country and colloquial names to local districts. Common names are used in the writings of both professionals and laymen. Lay people sometimes object to the use of scientific names over common names, but the use of scientific names can be defended, as it is in these remarks from a book on marine fish: In scientific binomial nomenclature, names commonly are derived from classical or modern Latin or Greek or Latinised forms of vernacular words