Why in news?
Scientists have discovered four new balsam species from various locations in Eastern Himalayas in northeastern state of Arunachal Pradesh.
FACTS FOR PRELIMS
It was discovered in Pongchan. The species is characterised by small yellow flowers and hairy leaves. It has been named after Haridasan, former scientist,State Forest Research Institute, Arunachal Pradesh, for his contribution to the taxonomy of the north-eastern States.
It was discovered in Anjaw district. It sports bright yellow flowers with small red spots on the throat and has long spur at the back. Its name denotes similarities with I. citrine.
It was discovered from the Lower Dibang valley. It grows to height of more than one metre and has dark purple flowers with pale yellow throat and green stalk. Its name denotes dark purple colour in Sanskrit.
It was found growing in Roing and Upper Siang. It has clustered white flowers with yellow patch on the mouth and hooked spur.
CAUSES OF EXTINCTION
Infrastructure project like road widening works, deforestation and other development activities are posing a threat to the natural habitat of the new species.
SOURCE – THE HINDU.