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Pteroceltis sinensis
Pteroceltis sinensis Ablajev, Y.-F. Wang, Zhil. in Ablajev, Y.-F. Wang, Zhil., C.-S. Li Bot. Zhurn. (Moscow & Leningrad), 92(7): 1068. 25 Jul 2007
- Name
- Pteroceltis sinensis
- Rank
- Species
- Generic Name
- [Genus] Pteroceltis
- Authors (Name)
- Ablajev A. G.
Wang Y.-F.
Zhilin S. G.
- Authors (Pub.)
- Ablajev A. G.
Wang Y.-F.
Zhilin S. G.
Li C.-S.
- Publication
- Nakhodka novogo vida Pteroceltis (Ulmaceae) from the Early Palaeocene flora of Wuyun (North-East China) [2007/7]
- Journal
- Botanicheskii Zhurnal
- Volume
- 92
- Issue
- 7
- Page number
- 1068
- Year
- 2007
- Fossil Status
- leaves
- Stratigraphy
- Paleocene
- Location
- right bank of Amur (Heilongjian) river, Wuyun coal mine, Jiayin County, Heilongjiang Province, China
- Paleoregion
- Eurasia (China)
Data for Holotypus
- Repository
- Institute of Botany, Chinese Academy of Sciences, Beijing, China
- Repository Number
- 52377
- Diagnosis
- Blade oЬ!ong-ovate, 6.2(6.6) ст long and 3.2 ст wide, with а truncated unequal-sided base and an elongated-cuspidate арех. Venation pinnate-brochidodromous, margin dentate from a\тost the base. Secondaries few; veins of the basal pair well distinct, sending offfrom their outer side а series ofbranchings, 5 to 7 per each half ofthe Ыаdе (basal vein naked at t\1e base in one half ofthe Ыаdе); four upperpairs altemate, broadly and unevenly spaced; slightly pronounced web-like veins observaЬ\e c\ose to the арех. All veins and their branchings curving up, forking, and forming а row of angu\ar loops at the margin while sending off short branchings to the teeth. Tertiaries perpendicular to the midvein, 6-7 pairs per 1 cm of lengtl1, simple or branched; тнltiply forked terminal brancmngs developed in the fine network formed Ьу veins ofthe 6tl1 order. Teeth distinctly triangular t.o minute and faint notch-like at the арех. Petiole thin, length of preserved part 0.8 cm.
