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Czekanowskia shiguaiensis
Czekanowskia shiguaiensis C.-L. Sun, Dilcher, H.-S. Wang, G. Sun in C.-L. Sun, Dilcher, H.-S. Wang, G. Sun, Y.-H. Ge Int. J. Pl. Sci., 170(9): 1187. Nov 2009
- Name
- Czekanowskia shiguaiensis
- Rank
- Species
- Generic Name
- [Genus] Czekanowskia
- Authors (Name)
- Sun C.-L.
Dilcher D. L.
Wang H.-S.
Sun G.
- Authors (Pub.)
- Sun C.-L.
Dilcher D. L.
Wang H.-S.
Sun G.
Ge Y.-H.
- Publication
- Czekanowskia from the Jurassic of Inner Mongolia, China [2009/11]
- Journal
- International Journal of Plant Sciences
- Volume
- 170
- Issue
- 9
- Page number
- 1187
- Year
- 2009
- Fossil Status
- foliage
- Stratigraphy
- Jurassic
- Location
- Toudaogou-Erdaogou Section, Shiguai Coal
Mine, Inner Mongolia, China
- Paleoregion
- Eurasia (China)
Data for Holotypus
- Repository
- Research Center of Palaeontology and Stratigraphy, Jilin University, Changchun, China
- Repository Number
- S005
- Diagnosis
- Linear leaves attached in a bundle more than
130 mm long; leaves dichotomously branching more than
three times at 5–15 angles. Leaf segments 0.7–1.1 mm in
width. Leaves hypostomatic. Ordinary epidermal cells arranged
in files on the upper epidermis, mainly rectangular to
square. Two stomatal bands present on the lower epidermis,
with each band consisting of two to three stomatal files. The
ordinary epidermal cells are irregularly square in shape. On
the nonstomatal zone, the epidermal cells elongated rectangular
in shape. Stomata surrounded by four to six subsidiary
cells. Stomatal complex rounded or elliptic. Papillae and trichomes
are absent on both upper and lower epidermis.
