Viola oahuensis, a member of the violet family (Violaceae), is usually an erect, unbranched subshrub 6 to 40 cm (2.4 to 16 in) tall. The papery-textured leaves are usually 3 to 12 cm (1.2 to 4.7 in) long, 2.5 to 5.8 cm (1 to 2.3 in) wide, and elliptic-egg-shaped to elliptic. The leaf stalks are...