Dr. Elizabeth Anita Widjaja (born 1951) is a Senior Principal Researcher of bamboo taxonomy at the Herbarium Bogoriense, Botany Division, Biological Research Centre at the Indonesian Institute of Sciences in Bogor, Indonesia. She is especially interested in Indonesian bamboo and Malesian bamboo generally, and promotes the cultivation of bamboo for the prevention of erosion.
Dr. Widjaja recently said, of bamboo as a source of biofuel, that:
Bambusa lako (Timor black bamboo) was described and separated from the Indonesian black bamboo species Gigantochloa atroviolacea by Professor Widjaja in 1997, as its appearance (morphology) differed.