Carya Carya illinoinensis MANSFELD:11946 PLANTS:CAIL2 WIKIPEDIA:Pecan Carya illinoinensis (Wangenh.) K. Koch "Pecan"is from an Algonquian word, meaning a nut requiring a stone to crack. In Mexico, pecans and walnuts share the same Spanish name, nuez, which is a cognate of the English word nut. LanguaL curation note: When indexing the pecan fruit (drupaceous nut) index both *PECAN [B1320]* and *FRUIT [C0167]* (or its more precidese narrower terms). The pecan, *Carya illinoinensis*, is a species of hickory, native to south-central North America, in Mexico from Coahuila south to Jalisco and Veracruz, in the United States from southern Iowa, Illinois, Missouri, and Indiana east to western Kentucky, southwestern Ohio, North Carolina, South Carolina, and western Tennessee, south through Georgia, Alabama, Mississippi, Louisiana, Texas, Oklahoma, Arkansas, and Florida, and west into New Mexico. carya pecan pecan pecan nut pecan tree ready for release