Twin'-leaf, n.
n. (Bot.) A perennial, glabrous herb of the genus Jeffersonia (J. diphylla), with matted, fibrous roots, and root-leaves with long petioles and parted into two half-ovate leaflets. Gray.
n. (Bot.) A perennial, glabrous herb of the genus Jeffersonia (J. diphylla), with matted, fibrous roots, and root-leaves with long petioles and parted into two half-ovate leaflets. Gray.