Trees, shrubs or herbs. Stipules 2. Leaves usually alternate, simple. Flowers bisexual, actinomorphic (Rinorea) or zygomorphic (Hybanthus and Viola). Sepals 5, usually free. Petals 5, free, the anterior one (in zygomorphic genera) spurred. Stamens 5, often bearing appendages. Ovary superior, 1-locular. Fruit a loculicidal capsule.
Worldwide: 20 genera and 800 species, cosmopolitan but only Viola temperate.
More sample images from the Violaceae (Click on each image to see a larger version and details of the record)