Dragons Blood

Dragon’s blood is a resin produced by the rattan palm tree, native to tropical and subtropical climates of southeast Asia. While there are many red resins that go by the name of dragon blood, Daemonorops draco is the most commercially available. Dragons blood resin is typically burned as incense and its deep red pigment is used as a varnish and a dye.
Daemonorops draco However, depending on the genus and species, dragon's blood resin can even be employed as an ink.