Biodiversity of Sri Lanka

An introduced shrub native to Panama, Columbia and Venezuela . Cultivated in home gardens as an ornamental. 

An introduced high-growing cactus native to Southern Mexico. Cultivated in gardens as an ornamental and also as a hedge plant.

An introduced ornamental cactus native to tropical North America . Cultivated and also escaped and naturalized along roadsides of the dry...

Native to the South America . Introduced as an ornamental plant and now naturalized common weed in sandy places of dry and arid zone e...