Saxifragaceae is a plant family with about 640 known species in 33 accepted genera. The flowers are hermaphroditic and actinomorphic. They have 4 or 5 petals and 5 or 10 stamens. Well known species include: * Bergenia cordifolia * Saxifraga stellaris * Saxifraga oppositifolia * Saxifraga paniculata Parnassiaceae have sometimes been treated as part of this family, although they are only distantly genetically related and are now placed in Celastraceae.