Chamaegastrodia nanlingensis (Orchidaceae), a New Species from Guangdong, China

Chamaegastrodia nanlingensis H. Z. Tian & F. W. Xing, a new species from Ruyuan county, in northern Guangdong, South China, is described and illustrated. It is similar to C. poilanei (Gagnepain) Seidenfaden & A. N. Rao, from which it differs in having smaller flowers, a yellow lip without a pair of elongate introrse lobules at the epichile lobe, a slightly erose margin, and much smaller dorsal sepals and petals.