A new species of Gesneriaceae, Petrocodon luteoflorus Lei Cai & F.Wen was first described and illustrated from Maolan National Nature Outdoor Chaise Lounge with Cushion Reserve, Libo County, Guizhou Province, China.The diagnostic characters and notes of this species between its most morphologically similar species, P.dealbatus Hance, a detailed description, colour photographs, etymology, as well as distribution and habitat, Plug-in Stove Hotplate are also provided in this paper.