Abstract
Trigonostemon viridissimus var. chatterjii (Deb & G.K. Deka) N.P. Balakr. & Chakrab. (Euphorbiaceae), a rare and endemic taxon is reported here as a new distributional record for the state Arunachal Pradesh. It was earlier known only from two localities of Meghalaya in India. Detailed taxonomic description along with field photographs are provided for its easy identification.
Keywords
Arunachal Pradesh, Endemic, Euphorbiaceae, New report, Trigonostemon viridissimus var. chatterjii