17. Corylus yunnanensis (Franch.) A.Camus

Bulletin du Muséum National d’Histoire Naturelle ser. 2 1: 438 (Camus 1930) [“1929”]. – C. heterophylla var. yunnanensis Franch., Journal de Botanique (Morot) 13: 198 (Franchet 1899). – Original citation: “ China occidentalis, in provincia Yunnan, in silvis prope collum Hee chan men, alt. 3000 m. (R.P. Delavay); in monte Tsang chan (id., n. 555).” – Type: China, Yunnan, Les bois au col de Hee chan men, 3000 m a.s.l., 5 Jul. 1889, J.M. Delavay s.n. (lecto-, designated here: P01903229!; isolecto-: P06810939!, P06811346!). – Additional type material: China, Yunnan, Hee chan men, Feb. 1883, J.M. Delavay s.n. (syn-: P06810993!); China, mt. Tsang chan, S / Tali, 4 Jul. 1882, J.M. Delavay 555 (syn-: P01903230!, P01903231!). – Note: Corylus yunnanensis was recognized in the Flora of China (Li & Skvortsov 1999), the Flora Sichuanica (Editorial Board of the Flora Sichuanica 2012), and World Checklist and Bibliography of Fagales (Govaerts & Frodin 1998) .