Amphicarpaea bracteata (L.) Fernald

Annual to 1.5 m; stipules and stipellules ovate or lanceolate, striate; lfls 2–8 cm, ovate or rhombic-ovate, broadly rounded at base; infls peduncled from many of the axils, with broadly obtuse to subtruncate bracts and 2–many pale purple to whitish fls 12–18 mm; cal-lobes 1–2 mm; frs 1.5–4 cm, strigose at least on the sutures; 2n=20. Highly variable especially in pubescence, but scarcely divisible into vars. Abundant in woods and thickets; Que. and N.S. to Man. and Mont., s. to Fla. and Tex. Aug., Sept. (A. monoica; A. pitcheri)

Cool damp woodlands. Dry or moist woodlands, along roadsides, and in prairie ravines.

The underground seeds can be boiled and served with butter or cream or used in soups and stews. The seeds in the above ground pods can be boiled and eaten. The tuberous roots can be cooked and eaten.

Can be grown by seedlings. Seeds needs soaking.