Agarwood or Oodh (or just Agar) is a dark resinous heartwood that forms in "Aquilaria" trees (large evergreens native to southeast Asia) when they become infected with a type of mold.
Agarwood or Oodh (or just Agar) is the most expensive aromatic substance on Earth. Agarwood is a dark resinous heartwood that forms in "Aquilaria" trees (large evergreens native to southeast Asia) when they become infected with a type of mold.