||It is a tall, little or unbranched tree, up to 4 m tall. It can be easily identified from the purple or purplish-green leaves with light green circular patches.
||Its spirally arranged, stalked, leaves have leathery leaf blades that are oval to lance-shaped or egg-shaped, green with a purplish tinge and light green circular patches, and 30–90 by 10–13 cm.
||Its flowers are 2.5 cm long, purple outside, white inside, and arranged in loose clusters of 3–4.
||Its fruits are about 2.5 cm and orange when ripe.
||It grows in damp to wet open areas of forest edges and freshwater swamps. It occurs locally in Mandai Forest and Nee Soon Swamp Forest.
||Its flowers are insect-pollinated while its fruits and seeds are probably eaten and dispersed by birds or mammals.
||Greek dracaena, a dragon, referring to the bright red dried red resin, called dragon’s blood, obtained from various species including those of Dracaena; cantleyi, commemorating Nathaniel Cantley, the former curator of the Singapore Botanic Gardens (1880–1886)