Zelkova zelkovifolia (UNGER) BŮŽEK et KOTLABA

Kvaček, Zlatko, Teodoridis, Vasilis & Zajícová, Jana, 2015, Revision Of The Early Oligocene Flora Of Hrazený Hill (Formerly Pirskenberg) In Knížecí Near Šluknov, North Bohemia, Acta Musei Nationalis Pragae Series B 71 (1 - 2), pp. 55-102 : 65

Zelkova zelkovifolia (UNGER) BŮŽEK et KOTLABA

Pl. 11, Fig. 5

1844 Ulmus zelkovifolia UNGER , p. 94, pl. 24, fig. 7 right, 9–13.

1845 Ulmus zelkovifolia UNGER ; Unger, p. 95, pl. 26, fig. 7 (lectotype).

1963 Zelkova zelkovifolia (UNGER) BŮŽEK et KOTLABA in KOTLABA, p. 59, pl. 3, fig. 7–8.

Two leaf fragments showing coarsely dentate margins and which prove the occurrence of this fossil species at Knížecí.

D i s c u s s i o n. In general both fragments match a much more diversified record from Kundratice and Bechlejovice ( Kvaček and Walther 1998, 2004). They differ from the simple dentate elm foliage, e.g. Ulmus fischeri HEER , in having fewer secondary veins, although in some critical cases the differentiation might be arbitrary.

M a t e r i a l s t u d i e d: Leaf impressions, EK 288, 289.