A newly recorded mycoheterotrophic orchid, Gastrodia clausa T. C. Hsu, S. W. Chung & C. M. Kuo, is reported from Dinghushan National Nature Reserve in Guangdong, China and the vouchers are kept in the herbaria of South China Botanical Garden, Chinese Academy of Sciences (IBSC). It is distinguished by the short enclosed or hardly opening perianth tube and peloric flower with a small, petaloid lip conjoint with the perianth tube and a prominent ventral appendage of column. Detail morphological descriptions, colour plate and taxonomic notes on the species are provided.