Knema kostermansiana is a species of plant in the family Myristicaceae. It is a tree endemic to Borneo. These trees typically vary from about six to 20 meters in height. The leaves are membranous (thin and transparent), chartaceous (paper-like), and elliptic. Possessing short fruit that are typically solitary or grouped with only one or two others, the tree possesses raised nerves. [1]