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Quercus praedelavayi
Quercus praedelavayi Y.-W. Xing, Z.-K. Zhou in Y.-W. Xing, J.-J. Hu, F.M.B. Jacques, Li Wang, Su, Y.-J. Huang, Y.-S. Liu, Z.-K. Zhou Rev. Palaeobot. Palynol., 193: 102. 4 Mar 2013
- Name
- Quercus praedelavayi
- Rank
- Species
- Generic Name
- [Genus] Quercus
- Authors (Name)
- Xing Y.-W.
Zhou Z.-K.
- Authors (Pub.)
- Xing Y.-W.
Hu J.-J.
Jacques F. M. B.
Wang L.
Su T.
Huang Y.-J.
Liu Y.-S.
Zhou Z.-K.
- Publication
- A new Quercus species from the upper Miocene of southwestern China and its ecological significance [2013/3]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 193
- Page number
- 102
- Year
- 2013
- Fossil Status
- leaves
- Stratigraphy
- Miocene
- Strat. comment
- Xiaolongtan Formation
- Location
- Xianfeng coalmine, about 60 km north of Kunming, Yunnan Province, China
- Latitude/Longitude
- 25:25′N
- 102:51′E
- Paleoregion
- Eurasia (China)
Data for Holotypus
- Repository
- Palaeoecological Laboratory, Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, CAS, Mengla, China
- Repository Number
- HLT 450 A, B (counterparts) (Plate I, 1, 2; Plate II, 1); slide No.
HLT 450A-adaxial (Plate III, 1), HLT 450A-abaxial (Plate III, 2–5).
Data for Paratypus
- Repository
- Palaeoecological Laboratory, Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, CAS, Mengla, China
- Repository Number
- HLT003 A, B
- Diagnosis
- Leaves ovate or obovate, coriaceous, symmetrical,
apex shape acuminate without drip tip, base shape convex. Leaf
serrate, tooth spacing regular, tooth type CC-ST. Primary venation
pinnate, midvein straight, robust. Secondaries in the toothed part
craspedodromous, secondaries in the entire part camptodromous.
Secondary angles to midvein 35°–60°, smoothly increasing proximally,
interior secondaries absent. Intercostal tertiaries opposite or alternate
percurrent, epimedial tertiaries alternate percurrent. Areolation complete,
quadrangular or pentagonal. Free ending veinlets simple without
branching. Stomata on abaxial epidermis, anomocytic. Trichome bases
unicellular and multicellular.
