(Greek. alluding to the two kinds of fruits). Leguminosae. A half-dozen little herbaceous vines of E. Amer. and Himalayas, bearing subterranean cleistogamous fls.: lvs. pinnate, of 3 leaflets: fls. small, purplish. Two common species are A. monoica. Nutt., and A. Pifcheri, Torr. & Gray (also known as Falcata comosa and 1". Pitcheri). Not known to be in cult.