A tuber belonging to the species Conopodium majus (syns. Bunium flexuosum, Conopodium denudatum), Bunium bulbocastanum (syn. Carum bulbocastanum), or Apios americana (syn. Apios tuberosa)
The underground tuber belonging to the genus Tuber; the truffle.
The dwarf ginseng: Panax trifolius
Synonym of peanut (Arachis hypogaea)
Apios americana, a perennial vine that bears edible beans and large edible tubers.