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Cornus saseboensis
Cornus saseboensis Tanai J. Fac. Sci. Hokkaido Univ., Ser. 4, Geol., 11(2): 378. 20 Mar 1961
- Name
- Cornus saseboensis
- Rank
- Species
- Generic Name
- [Genus] Cornus
- Authors (Pub.)
- Tanai T.
- Publication
- Neogene floral change in Japan [1961/3]
- Journal
- Journal of the Faculty of Science of the Hokkaido University
- Volume
- 11
- Issue
- 2
- Page number
- 378
- Year
- 1961
- Fossil Status
- leaves
- Stratigraphy
- Oligocene
- Location
- Kida coal mine, Emukae-machi, Kita-matsuura-gun, Nagasaki Prefecture, Japan
- Paleoregion
- Eurasia (Japanese Archipelago)
Data for Holotypus
- Repository
- National Museum of Nature and Science, Palaeobotany Collection, Tokyo, Japan
- Repository Number
- UHR-15279
- Diagnosis
- Leaves oval or broadly ovate in general outline, 6.0 to 7.5 em long and 4.5 to 5.4 em wide; base cuneate; apex broadly rounded and abruptly acuminate; midrib stout be]ow, then distantly slender; secondaries 5 to 6 subopposite to opposite pairs, diverging from the midrib at the angles of 40 to 50 degrees, gently eurved up, broadly camptodrome; tertiaries thin and indistinet, percurrent, at right angles to the secondaTies, near the rnargin forming broad loops with the secondaries; nervilles obscure, forming close network ; margin entire or obscurely crenate-toothed ; petiole stout, more than 1,5 cm in length ; texture thin, membranaceous.