This name derives from the Old English (Anglo-Saxon) “hæsel”, which in turn derives from the Germanic “*khasalaz”, meaning “Hazel, light brown color”. This name became popular in English-speaking countries during the late 19th and early 20th centuries, along with other names of plants or trees used for girls. Hazel is also referred to as a word to indicate the color of the eyes. The hazels are a genus of deciduous trees and large shrubs native to the temperate Northern Hemisphere. The genus is usually placed in the birch family Betulaceae, though some botanists split the hazels (with the hornbeams and allied genera) into a separate family Corylaceae. The fruit of the hazel is the hazelnut.