යෝධ බෝවිටියා[Yodha Bowitiya]Cancer vert/Purple plague,Velvet tree/Bush current(Miconia calvescens)

Small tree introduced as an ornamental plant due to its large attractive leaves. Native to central and south America from Mexico to Argentina. Now become naturalized in disturbed forest areas of montane zone. Listed as an invasive plant to the country. Common in Ginigathhena area. 

Glory Bush (Pleroma urvilleanum [Syn: Tibouchina urvilleana])

A large shrub native to the Brazil and introduced as an ornamental plant to the island. Cultivated and Now also naturalized in disturbed areas of the montane zone. Flowering throughout the year. 

Kosters curse/Soap bush (Miconia crenata [Syn: Clidemia hirta])

An invasive shrub native to the South America. Introduced probably as an ornamental plant and naturalized in several tropical countries including Sri Lanka. It is widely distributed along rain forest pathways and streams of wet and montane zones. Also in roadsides and disturbed grounds of lowland wet zone to tea estates in up country. Propagation is mainly due to the seeds spread by birds.