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Ostrya huziokae
Ostrya huziokae Tanai J. Fac. Sci. Hokkaido Univ., Ser. 4, Geol., 11(2): 302. 20 Mar 1961
- Name
- Ostrya huziokae
- Rank
- Species
- Original spelling
- huziokai
- Generic Name
- [Genus] Ostrya
- 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
- 302
- Year
- 1961
- Parent Taxon
- [Genus] Ostrya
- Fossil Status
- leaves
- Stratigraphy
- Miocene
- Location
- Hiyoshi, Mizunami City, Gifu 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-4237
- Diagnosis
- Leaves medium in size, ovate to oblong-ovate in general outline, 4.2 to 7.5cm Iong and 2.9 to 4,Ocm wide; base rounded and slightly eordate; apex slightly acuminate; midrib stout, nearly straight, near the apice slightly curved; secondaries 7 to 9 opposite pairs, nearly regular-spaced, diverging from the midrib at angles of 30 to 40 degrees, nearly straight to 'the margin, craspedodrome; tertiaries irregularly percurrent; nervilles distinct, finely reticulate; margin doubly serrate, with nearly equal-sized teeth; petiole stout but short, 2 mm ]ong; texture thin, membranaceous. Involucres ovate-elliptical in shape, 16 to 21 mm long, 6 to 9 mm wide at the middle; apex gradually narrowed, acute; base obtuse to rounded; rnain nerves originating from the base and ending in the apex, parallel, 6 to 7 in number on the impression; intermediate nerves slender, parallel to the main nerves; fine nerves nearly perpendicular to the main nerves. Nutlets oblong ovate in shape, with acutely pointed apex and rounded base ; 6 to 9 mm Iong, 3 to 4 mm wide,
