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Ginkgo parvifolia
Ginkgo parvifolia X. Tan, Dilcher, H.-S. Wang, C.-L. Sun in C.-L. Sun, X. Tan, Dilcher, H.-S. Wang, Y.-L. Na, T. Li, Y.-F. Li Palaeoworld, 27(4): 469. 26 Sep 2018
- Name
- Ginkgo parvifolia
- Rank
- Species
- Generic Name
- [Genus] Ginkgo
- Authors (Name)
- Tan X.
Dilcher D. L.
Wang H.-S.
Sun C.-L.
- Authors (Pub.)
- Sun C.-L.
Tan X.
Dilcher D. L.
Wang H.-S.
Na Y.-L.
Li T.
Li Y.-F.
- Publication
- Middle Jurassic Ginkgo leaves from the Daohugou area, Inner Mongolia, China and their implication for palaeo-CO2 reconstruction [2018/9]
- Journal
- Palaeoworld
- Volume
- 27
- Issue
- 4
- Page number
- 469
- Year
- 2018
- Fossil Status
- foliage
- Stratigraphy
- Middle Jurassic
- Strat. comment
- Jiulongshan Formation
- Location
- Daohugou Village, Ningcheng County, InnerMongolia, China
- Paleoregion
- Eurasia (China)
Data for Holotypus
- Repository
- Research Center of Palaeontology and Stratigraphy, Jilin University, Changchun, China
- Repository Number
- RCPS-DHG034
Data for Paratypus
- Repository
- Research Center of Palaeontology and Stratigraphy, Jilin University, Changchun, China
- Repository Number
- RCPS-DHG035
- Diagnosis
- Leaves typically small with short and thick petiole. Lamina radius 13 mm, basal angle 130◦. Six lobes with truncate or notched apices; lobes cuneate, deeply divided, narrowing close to the base; 5–7 veins in each lobe. No resin bodies observed. Leaves sparsely amphistomatic. Upper cuticle with very few scattered stomata; papillae well-developed on the outer surface. Lower cuticle consisting of costal zones with elongated obliquely angled cells and intercostal zones with 8–9 rows of stomata. Stomata haplocheilic, densely and randomly arranged. Subsidiary cells 5–6, with strong thickenings on the outer surface.
