Upright, herbaceous perennial with hairy stems. Leaves, alternate, divided into three partly-folded, deeply cut, heart-shaped lobes. Foliage with sour, acrid taste. Flowers, bright yellow, with five petals on stalks bent below the fruit and attached to a common point. Fruit a narrow "okra-like" capsule. Found in most of the eastern and central United States. Also occurs in Canada, Europe, Africa, Asia, Japan and New Zealand. Creeping woodsorrel, has a more prostrate growth habit than yellow woodsorrel. Stolons readily root at the nodes. Leaves similar to yellow woodsorrel is similar in appearance to yellow woodsorrel, but has slender stems, leaves that tend to be larger and a smooth to sparingly hairy smaller capsule. All species reproduce by see.