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Quercus subhercynica
Quercus subhercynica H. Walther, Z. Kvaček in Z. Kvaček, H. Walther Pl. Syst. Evol., 162(1-4): 226. 1989
- Name
- Quercus subhercynica
- Rank
- Species
- Generic Name
- [Genus] Quercus
- Authors (Name)
- Walther H.
Kvaček Z.
- Authors (Pub.)
- Kvaček Z.
Walther H.
- Publication
- Paleobotanical studies in Fagaceae of the European Tertiary [1989]
- Journal
- Plant Systematics and Evolution
- Volume
- 162
- Issue
- 1-4
- Page number
- 226
- Year
- 1989
- Fossil Status
- leaves
- Stratigraphy
- Eocene
- Location
- Königsaue near Aschersleben, Germany
- Paleoregion
- Eurasia (Europe)
Data for Holotypus
- Repository
- Harzmuseum Wernigerode, Wernigerode, Germany
- Repository Number
- No. F2136-1, microslides No. MMG Kö 72/86
- Diagnosis
- Tree(?). Leaf incomplete, petiolate, longly ovate, cuneate at the base, 5.5 cm long and 1.8 cm wide, entire-margined, petiole 1.6 cm long, margin thickened, ve nation camptodrome, midvein thick, secondaries moderately thick, alternate to opposite, with one or two intersecondaries, at angles of 51° to 63°, leaf consistence thick, cuticles poorly preserved. Abaxial leaf side covered by stellate hairs (30 — 60 pm in diam.) with 6 and more arms, stomatas of the cyclocytic (?) type, more or less rounded, 19 — 27 pm across, elliptic to rounded hair-bases (15 — 20 pm across) with small rounded remnants of their terminal parts.
