Phlogacanthus yangtsekiangensis (H. Lév.) C. Xia & Y. F. Deng, comb. nov. Basionym: Strobilanthes yangtsekiangensis Léveillé (1915: 7).⎯ Cystacanthus yangtsekiangensis (H. Lév.) Rehder (1935: 315). Type:⎯ CHINA. Yunnan: Dêqên Xian, Rives du fleuve Bleu à Ta-Tchai, 400–450 m, May–June 1912, E. E. Maire s.n. (holotype E!) Cystacanthus affinis Smith (1916: 103), syn. nov. Type: ⎯ CHINA. Yunnan: Lijiang Shi, Fengkow Valley, Lat. 27°40’N ”, 8000 ft., June 1914, G. Forrest 12493 (holotype E!; isotype A!, K!). Cystacanthus yunnanensis Smith (1916: 104), syn. nov. Type:⎯ CHINA. Yunnan: Dengchuan Xian, Tengchwan Valley, Lat. 26°5’N, 7000 ft, May 1913, G. Forrest 10007 (holotype E!). Distribution:— Phlogacanthus yangtsekiangensis is endemic to China and occurs in Sichuan and Yunnan. Ecology:—This species grows in thickets in the valley at the elevation of 400–2200 m. Conservation status:— Phlogacanthus yangtsekiangensis was collected from more than thirty localities and has a large area of occurrence in Jinsha Jiang Valley in N Yunnan and SW Sichuan Provinces which cover more than 20000 km 2. It is thus considered to be of Least Concern (LC) according to the IUCN (2001, 2011) Red List criteria and categories.

Published as part of Xia, Chun & Deng, Yunfei, 2013, Phlogacanthus yangtsekiangensis, a new combination in Chinese Acanthaceae, pp. 58-60 in Phytotaxa 104 (1) on pages 58-59, DOI: 10.11646/phytotaxa.104.1.9, http://zenodo.org/record/4776608