A perennial herb(Psoralea esculenta) in the pea family,native to prairies and plains in central North America,and having a tuberous,starchy root that was an important food for many Native Americans.

• 食用补骨脂一种多年生豆科草本植物（食用补骨脂补骨脂属），原产于北美洲中部的草原和平原，其含淀粉的块根是许多美国土著人的重要食物