lignum rhodium

noun3

1. •
   The fragrant wood of several shrubs and trees, especially of species Convolvulus scoparius and Convolvulus floridus (Convolvulaceae) from the Canary Islands, and of the West Indian Amyris balsamifera (Rutaceae).
2. •
   An oil yielded by such plants, used in herbal medicine.
3. •
   Rhodiola rosea (Crassulaceae).