1 2 Sauer, Jonathan D. (2017). Historical Geography of Crop Plants: A Select Roster. Routledge. ISBN9781351440622. The primary progenitor of the cultigen is evidently L. orientalis native to the Near East; the other species may have contributed some genetic diversity to the crop. L. culinaris (L. esculentus), the domesticate, differs from the wild species in having indehiscent pods, due to a single recessive gene, and nondormant seeds.
