A genus of bulbous plants, of the order Amaryllidaceæ, cultivated as greenhouse plants on account of their beauty.

Crinum is a genus of about 180 species of lily-like perennial plants that have large showy flowers on leafless stems, and develop from bulbs. They are found along the sides of streams and lakes in tropical and subtropical areas worldwide, including South Africa. In addition, Swamp lilies are members of this genus which are cultivated for its attractive flowers like an ornamental plants.