IDNAME urn:idName:fossilplants.info:species:F7B4E380-7DB2-41E8-8E3B-210579A98B0B species
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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

Parent Taxon
[Genus] Cornus
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.

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