凤仙花科有两属超过1000种，但除了水角（H. triflora（L.）Wight et Arn.）一种属于水角属，其余种类都属于凤仙花属，因此凤仙花属可能是最大的属。

凤仙花科分布在除澳洲和北美西海岸以外的世界各地温带和热带地区，有许多种是观赏花卉，如著名的凤仙花（又名指甲花）。

The Balsaminaceae (commonly known as the Balsam family) are a family of dicotyledonous plants, comprising two genera: Impatiens, which consists of 1000+ species, and Hydrocera, consisting of 1 species. The flowering plants may be annual or perennial. They are found throughout temperate and tropical regions, primarily in Asia and Africa, but also North America and Europe.