11. Corylus jacquemontii Decne .

Voyage dans l’Inde 4: 160 (Jacquemont 1844). – C. colurna var. jacquemontii (Decne.) A.DC., Prodromus Systematis Naturalis Regni Vegetabilis 16 (2): 130 (Candolle 1864). – Original citation: “Frequens à Vernague ad jugum Banhatte; alt. 2952 m.” – Type: Laos, inter Vernag. et Ban Hatte, V. Jacquemont 784 (lecto-, designated here: P06811323!; isolecto-: P06811322!).

C. colurna var. lacera A.DC., Prodromus Systematis Naturalis Regni Vegetabilis 16 (2): 131 (Candolle 1864). – Type: India, [Uttarakhand], Kumaon, R. Blinkworth in Wallich Catalogue no. 2798 (syn-: not localized; isosyn-: BM001191574!, K000859891!, K001117112!).