Corylus sieboldiana var. mandshurica (Maxim.) C.K.Schneid

Holstein, Norbert, Tamer, Sarah el & Weigend, Maximilian, 2018, The nutty world of hazel names - a critical taxonomic checklist of the genus Corylus (Betulaceae), European Journal of Taxonomy 409, pp. 1-45 : 30

14b. Corylus sieboldiana var. mandshurica (Maxim.) C.K.Schneid .

Plantae Wilsonianae 2: 454 ( Sargent 1916). – C. rostrata var. mandshurica (Maxim.) Regel , Bulletin de la Classe Physico-Mathématique de l’Académie Impériale des Sciences de Saint-Pétersbourg 15 (14–15): 221 ( Regel 1857).– C. mandshurica Maxim. , Bulletin de la Classe Physico-Mathématique de l’Académie Impériale des Sciences de Saint-Pétersbourg 15 (8–9): 137 ( Maximowicz & Ruprecht 1856). – Type: Russia, Amur river, C.J. Maximovicz s.n. (lecto-, designated by Bobrov 1936a: 268: LE; isolecto-: M-0265486!, GH00033781!, K000859911!, P06810979!, P06810986!, PE00021985!). – Note: this name was also regarded as a variety in the Flora of Japan ( Ohwi 1965), while it was recognized as a distinct species in the Flora of the USSR ( Bobrov 1936a), the Flora of China ( Li & Skvortsov 1999), and in the Flora Sichuanica (Editorial Board of the Flora Sichuanica 2012).

C. brevituba Kom., Izvestija Glavnogo Botaniceskogo Sada SSSR [Bulletin du Jardin (Botanique) Principal de l’URSS] 28: 219 ( Komarov 1929). – C. mandshurica f. brevituba (Kom.) Kitag., Neolineamenta Florae Manshuricae : 217 ( Kitagawa 1979). –Original citation:“Legit O.O. Kuzeneva 12 VIII 1926 in provincia Amurensi ad ripas fl. Tomj (fl. zea influentis), in decursu superiore ejus ad pedem montium Burejensium: N° 520 et 523. In declvi silvoso ad fontem.” – Type: Amur area, basin of the Zeya River, the Tom’ River, upper course, offsets of Bureinskii Range, slope at the source of spring, 12 Aug. 1926, O.O. Kuzeneva 523 (lecto-, designated here: LE!). – Note: Corylus brevituba was recognized as separate species by Flora of the USSR ( Bobrov 1936a), although it is noted that is scarcely different from C. mandshurica . The lectotype was placed to LE ( Bobrov 1936a: 268), but without mentioning a specific specimen.

C. mandshurica f. glandulosa S.L.Tung , Bulletin of Botanical Research. Harbin 1 (1–2): 138 ( Tung 1981). – Type: China, Heilongjiang Province, Shangzhi Country, 2 Aug. 1956, Y.L. Chou [周ụe] 3902 (holo-: NEFI). – Additional type material: China, Jilin Province, Linjiang Country, 1 Jul. 1962, P.H. Huang [黄Ịt] et al. 60222 (para-: not localized); China, Heilongjiang Province, Jingpo Lake, [Mudanjiang Team] 129 (para-: not localized).