https://pdfs.semanticscholar.org/6953/bf8fdf31b660c8a629dd4009f7ea3fff48f2.pdf
"In most of the areas in the mid-land of central and eastern Nepal, the juice of the whole plant
of B. picta is used as leech guard by local tribes. Sigdel (2004), Pathak and Pandey (2005)
have also reported the use of fl ower juice/paste as leech guard around Daman area."