Hesperidium. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/Hesperidium
Any of several kinds of true berries, including citrus fruit such as the lemon and lime, which have pulpy interiors and leathery skins containing aromatic oils.
Linnaeus gave the name Hesperideae to an order containing the genus Citrus, in allusion to the golden apples of the Hesperides. The hesperid- stem is now used to form technical terms, such as hesperidin, relating to the citrus fruits.
English Wiktionary. Available under CC-BY-SA license.