Sagittaria latifolia (broadleaf arrowhead, duck potato), an aquatic plant native to North and South America.
Orogenia spp. (now in Lomatium), a terrestrial plant native to western North America;
Apios americana (American potato-bean), a terrestrial plant native to eastern North America;
A climbing vine, Apios americana, of eastern North America, having fragrant brownish flowers and small edible tubers.
The nutlike tuber of such a plant, especially peanuts.
A plant which bears its nutlike seeds underground, such as a peanut (Arachis hypogaea) or a Bambara groundnut (Vigna subterranea).
Any similar plant having underground tubers.