Kvacek, Teodoridis & Kvaček & Radoň & Raprich & Bruch, 2020, Teodoridis & Kvaček & Radoň & Raprich & Bruch, 2020
publication ID |
https://doi.org/ 10.37520/fi.2020.024 |
persistent identifier |
https://treatment.plazi.org/id/03D95534-4E18-257E-5A9C-FD702C4D9DA1 |
treatment provided by |
Diego |
scientific name |
Kvacek |
status |
gen. nov. |
Sloanea artocarpites (ETTINGSH.) KVAČEK et HABLY in Kvaček et al. 2001
Pl. 3, Figs 10–13
1869 Quercus artocarpites ETTINGSH. , p. 63, pl. 55, figs 19–19a. 2001 Sloanea artocarpites (ETTINGSH.) KVAČEK et HABLY in
Kvaček et al., p. 117.
M a t e r i a l. Incomplete leaves and fragments, impressions PA 1630, PA 1631, PA 1634, PA 1641, PA 1654, PA 1666, PA 1667, PA 1671, PA 1677.
D e s c r i p t i o n. Leaves incomplete, without petiole, lamina elliptic to ovate, 61 to 161 mm long and 38 to 76 mm wide, base widely cuneate to rounded, apex not preserved, probably acute or attenuate, margin subentire, with widely spaced minute teeth, venation camptosemicraspedodromous, midrib straight, secondaries subopposite, curved, originating at 40° to 60°, looping very near margin, with abmedial veinlets entering teeth, tertiary veins percurrent, venation of the higher orders regular polygonal reticulate, areolation well-developed, 3 to 4 sided.
R e m a r k s. The leaves are characterized by a specific marginal venation of campto-semicraspedodromous type which allows the unambiguous identification of this mesophytic and thermophilous element. Sloanea artocarpites was widespread at most sites of the České středohoří Mts. such as Suletice-Berand ( Kvaček and Walther 1995), Holý Kluk ( Radoň et al. 2006) and Matrý ( Kvaček et al. 2018) and Seifhennersdorf in Saxony ( Walther and Kvaček 2007 ). Similar foliage is known from the early Oligocene sites of Hungary and Slovenia accompanied by fruits of the Sloanea - type ( Kvaček et al. 2001).
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