Dioscorea sp.
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https://doi.org/10.5281/zenodo.13183351 |
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https://treatment.plazi.org/id/C64487CC-FFDA-FF9F-FBE7-FBD931FB1B5A |
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Felipe (2024-08-02 13:43:17, last updated 2024-08-03 03:44:08) |
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Dioscorea sp. |
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Pl. 3, figs 1-2
A fragment of cordate leaf with 5 primaries radiating from the incomplete leaf base. Venation of higher order very thin, hardly visible. Individual half-moon shaped fruitlets ca. 6 mm long and 4.5 mm in diameter, well flattened
D i s c u s s i o n: Besides a fragment possibly representing Dioscorea foliage, two Dioscorea -like fruitlets were recovered at Kučlín so far. One of the first documents was recognised by S.R. Manchester (in Kvaček 2002a) as possibly belonging to the Dioscoreaceae . We have not seen the persistent apical tepals that should be expected, however ( Manchester and O’leary 2010). More complete fruits of this plant group were recovered in the Hungarian Early Oligocene site Eger-Kiseged (Andreánzsky 1959, as Dioscoreocarpum). This element is certainly a liana like termophilous plant typical of tropical–subtropical areas.
M a t e r i a l: KIN 448-2, KUC 216.
Palm remains are very scanty at Kučlín and mostly preserved as isolated leaf segments.
Kvacek, Z. (2002 a): Late Eocene landscape, ecosystems and climate in north Bohemia with particular reference to the locality Kuclin near Bilina. - Bull. Czech Geol. Surv., 77: 217 - 236.
Manchester, S. R., E. O'Leary (2010): Phylogenetic Distribution and Identification of Fin-winged Fruits. - Bot. Rev., 76: 1 - 82.
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