Henckelia medogensis (Gesneriaceae), a new endemic species from Xizang, China

Henckelia medogensis, a new species from Medog (SE Xizang, China), is described and illustrated. The new species is mostly similar to H. lallanii and H. peduncularis, but clearly differs from the former mainly by its stems and leaves densely red pubscent, purple flowers and larger corolla size, with white pubescent outside of the corolla tube, and differs from the latter mainly by its single flower, free and smaller bracts, corolla tube nearly straight and ovary hairy. H. medogensis was assessed to be Vulnerable based on criteria outlined by IUCN Red List Categories.