Quercus roburoides C.T. GAUDIN , 1859

Martinetto, Edoardo, Bertini, Adele, Mantzouka, Dimitra, Natalicchio, Marcello, Niccolini, Gabriele & Kovar-Eder, Johanna, 2022, Remains Of A Subtropical Humid Forest In A Messinian Evaporitebearing Succession At Govone, Northwestern Italy - Preliminary Results, Fossil Imprint 78 (1), pp. 157-188 : 171

Quercus roburoides C.T. GAUDIN, 1859 vel Q. pseudocastanea GÖPP., 1852

Pl. 3, Fig. 7

M a t e r i a l. A fragment representing nearly one third of the compressed leaf lamina in GLA20 (MGPT-PU141025).

D e s c r i p t i o n. Fragment of a simple leaf lacking base and apex; lamina probably obovate, l × w about 80 × 50 mm, ratio l/w about 1.6; margin simple serrate, teeth distinct, big, one above each secondary vein, apex blunt, sinus rounded, proximal and distal sides more or less straight; midvein straight; secondaries craspedodromous, regularly spaced, straight, arising at steeper angles towards apex than near base.

R e m a r k s. This leaf fragment is rather similar to Messinian leaves found at Monte Tondo (some 400 km east of Govone; Teodoridis et al. 2015a), which were assigned to Q. roburoides C.T.GAUDIN. Zidianakis et al. (2020 : pl. 12, fig. 1) described similar leaves from Pitsidia (Crete, early Tortonian) as Q. pseudocastanea GÖPP. Leaves assigned either to Q. pseudocastanea or Q. roburoides are common in the younger European Neogene, and morphologically are very similar and variable ( Kvaček et al. 2020, Zidianakis et al. 2020). Therefore, single findings are difficult to assign to one or the other fossil-species.