Lysionotus coccinus (Gesneriaceae), a new species from southwestern Yunnan, China

Lysionotus coccinus G.W. Hu & Q.F. Wang, a distinct new species from Yingjiang County, southwestern Yunnan Province, China, is described and illustrated. It belongs to L. sect. Lysionotus, but has scarlet flowers while all other known species in this section have white, yellow, purple or pink flowers. Color photographs and a chart are provided for comparing the new species with related species.