Back
Styrax saseboensis
Styrax saseboensis Tanai J. Fac. Sci. Hokkaido Univ., Ser. 4, Geol., 11(2): 385. 20 Mar 1961
- Name
- Styrax saseboensis
- Rank
- Species
- Original spelling
- saseboense
- Generic Name
- [Genus] Styrax
- 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
- 385
- 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
- Geological Survey of Japan, Agency of Industrial Science and Technology, Tsukuba, Japan
- Repository Number
- GSJ-4307
- Diagnosis
- Leaves small to medium in size, nearly orbicular or broadly ovate in general outline, 3.3 to 5,0 cm Iong and 2.5 to 4.6 cm wide ; apex acute or obtusely euspidate; base broadly rounded or 'truncate; margin remotely denticulate, with minute and acute teeth; midrib stout below, becoming thin distantly, straight to the tip; secondaries thin 6 to 7 opposite pairs, diverging from the midrib at the angles of about 50 degrees on the middle, more spreadiltg near the base, nearly regularly spaced, gently curving upward, near the margin arising up, frequently entering into the teeth, subcamptodrome, sometimes forking within the margin, at the lower margin given off abaxial branches; tertiary nerves thin, indistinct; petiole stout, 0.7 to 1.0 cm long; texture firm, subcoriaceous.