Acanthaceae or the Acanthus family has been commonly used by local peoples as traditional medicines, especially in PeninsularMalaysia. Justicia gendarussa, also known ‘daun rusa’ ‘genda rusa,’ treats inflammatory disorders, asthma, hepatic injuries,arthritis, and digestion problems. Many taxonomists nowadays struggle to identify species due morphologicalsimilarities incomplete parts during iden...