Averrhoa bilimbi, also known as belimbing wuluh or cucumber tree, is a fruit-bearing tree of the genus Averrhoa, family Oxalidaceae. It is believed to be originally native to Indonesia but has naturalized and is common throughout Southeast Asia. It is cultivated in parts of tropical South Asia and the Americas. It bears edible extremely sour fruits. It is a close relative of the carambola tree. The Averrhoa bilimbi tree is a small tropical tree. The fruit is ellipsoidal, elongated, measuring about 4 – 10 cm. The skin is smooth to slightly bumpy, thin, and waxy turning from light green to yellowish-green when ripe. The Averrhoa bilimbi fruit has various names in different languages and regions. In Indonesia, it is called belimbing sayur, belimbing wuluh, belimbing buluh, belimbing botol, belimbing besi, or belimbing asam. In Malaysia, it is known as belimbing buloh. In the Philippines, it is called kamias, kalamias, or iba. In India, it is called bilimbi, bimblin, or irumban puli. In Sri Lanka, it is called bilincha or bimbiri. In Suriname, it is called lange birambi. In Jamaica, it is called bimbling plum. In Guyana, it is called sourie, one finger, bilimbi, or kamranga. In Brazil, it is called biribiri, bilimbim, or limão-de-caiena. The Averrhoa bilimbi fruit has various uses and benefits. It is a rich source of vitamin C, antioxidants, and oxalic acid. It can help lower blood pressure, treat diabetes, reduce inflammation, and heal wounds. It can also be used as a natural bleach, stain remover, and metal polish. The Averrhoa bilimbi fruit is a tropical fruit that grows on the trunk of the tree. It is a sour and acidic fruit that has many names, uses, and benefits.