Twenty-eight Dogwoods are used medicinally: Cornus alternifolia - Green Osier, Cornus amomum - Silky Dogwood, Cornus asperifolia drummondii - Roughleaf Dogwood, Cornus australis, Cornus canadensis - Creeping Dogwood, Cornus capitata - Bentham's Cornel, Cornus controversa - Giant Dogwood, Cornus coreana, Cornus florida - Flowering Dogwood, Cornus hongkongensis, Cornus chinensis, Cornus iberica, Cornus kousa - Japanese Dogwood, Cornus kousa chinensis - Japanese Dogwood, Cornus macrophylla - Large-Leaf Dogwood, Cornus mas - Cornelian Cherry, Cornus monbeigii, Cornus nuttallii - Mountain Dogwood, Cornus occidentalis - Western Dogwood, Cornus officinalis - Shan Zhu Yu, Cornus poliophylla, Cornus quinquenervis, Cornus rugosa - Round-Leaved Dogwood, Cornus sanguinea, Cornus sericea -Red Osier Dogwood, Cornus sessilis, Cornus suecica - Dwarf Cornel, Cornus x unalaschkensis – Bunchberry