English Juglans sigillata Cited by user Citation bot on 23 Feb 2021 Juglans sigillata, also called iron walnut, is the second most cultivated species of walnut tree after the Persian walnut Juglans regia.
English Juglans hopeiensis Cited by user Citation bot on 04 Jan 2021 Juglans hopeiensis, also known as Ma walnut, is a species of walnut native to northern Hebei Province.