EditorialAn undated photo provided by Southern Exposure Seed Exchange shows Ira Wallace screening seeds of her favorite Whippoorwill cowpea, an heirloom that traveled with enslaved Africans to the Americas and was eventually grown by Thomas Jefferson at Monticello.(Southern Exposure Seed Exchange via The New York Times)
EditorialCowpea, Vigna unguiculata (Chinese dolichos, Dolichos sinensis). Handcoloured copperplate engraving by Weddell after a drawing by William Herbert for Samuel Curtis' continuation of William Curtis' Botanical Magazine, London, 1822.