A New Combination in Mackaya (Acanthaceae), with Lectotypification for Mackaya tapingensis Deng Yunfei Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, People’s Republic of China; Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, People’s Republic of China; and Graduate School of the Chinese Academy of Sciences, Beijing, 100039, People’s Republic of China, [email protected] Wu Zhengyi(Wu Chengyih) Key Laboratory of Biodiversity and Biogeography, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, People’s Republic of China (W. W. Smith) Y. F. Deng & C. Y. Wu, is proposed. Mackaya bv Ensemm et al. (1992). Lindau (1895) Smith (Smith, 1918) from three collections from Burma (Myanmar), i.e., Forrest 9655, 9484, and with Mackaya (Brummitt, 1992; Ensemm et ah, 1992; 12149. In the original description. Smith (191tl) Mabberley, 1997; Scotland & Volessen, 2000). In October 2004, the first author had the (Nees) C. B. Clarke and E. lateriflorum C. B. Clarke. doi: 10.3417/2007009 Novon 19: 307-309. Pubushed on 11 September 2009. (Acanthaceae) curators of E, HITBC, K, KUN, SWFC, and SZ 1688. People's Publishing House, Yunnan, China.