|Other names:||sheep sorrel, sourgrass, toad sorrel, common yellow oxalis, erect woodsorrel, upright yellow wood-sorrel, upright yellow woodsorrel, creeping woodsorrel|
Typically a low, spreading plant. Leaves have 3 heart-shaped leaflets like clover, often with a purple cast. Stems grow to 20 inches but are more spreading than upright. Prefers shade. When ripe, seeds are ejected from capsules and can travel 12 ft.