Memecylon capitellatum is a species of plant in the family Melastomataceae. It is endemic to Sri Lanka. It is known as "weli kaha - වැලි කහ" by local Sinhalese people.
Uses leaves, stem- medicinal; Wood - tool handles.
References
Sources http://www.theplantlist.org/tpl1.1/record/tro-20305366 http://linnean-online.org/41196/ http://www.mpnet.iora-rcstt.org/node/3195