n.
Any of about 5080 species of ornamental foliage plants that make up the genus Dracaena , in the agave family , native primarily to the Old World tropics.
Most have short stalks and narrow, sword-shaped leaves; some have taller stalks and resemble trees. The small flowers are red, yellow, or green. D. sanderiana and D. fragrans are often grown as houseplants. The ornamental dragon tree ( D. draco ) of the Canary Islands bears orange fruit. Its trunk contains a red gum, called dragon's blood, that was formerly used in medicines.