Ulmus plurinervia UNGER

Teodoridis, Vasilis, Kvaček, Zlatko, Sami, Marco, Utescher, Torsten & Martinetto, Edoardo, 2015, Palaeoenvironmental Analysis Of The Messinian Macrofossil Floras Of Tossignano And Monte Tondo (Vena Del Gesso Basin, Romagna Apennines, Northern Italy), Acta Musei Nationalis Pragae Series B 71 (3 - 4), pp. 249-292 : 260

Ulmus plurinervia UNGER

Pl. 6, Fig. 10, 12; Pl. 10, Fig. 3

Leaves simple, shortly petiolate, lamina narrow ovate to ovate or obovate, 19 to 56 mm long and 14 to 44 mm wide, base asymmetric widely cuneate to rounded, apex acuminate to acute, margin double serrate, primary teeth rectangular, secondary teeth usually finer, venation craspedodromous, midrib strong, moderate, curved, secondary veins thinner, straight, distinct, numerous, often forked, alternate to opposite, at an angle of 30–50°, tertiary veins alternate percurrent, straight to sinuous, venation of the higher orders regular polygonal reticulate, areolation well developed, areoles 3- or 4-sided.

Strongly asymmetrical leaves with forked craspedodromous venation and dense secondary veins are of the same type as those recovered at Parschlug ( Kovar-Eder et al. 2004).

M a t e r i a l. Leaf impressions (Monte Tondo MSF1533, MSF1534, MSF1998, MSF1999, MSF2000, MSF2001, MSF2002, MSF2003; Tossignano MSF32).