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Zingiberopsis isonervosa
Zingiberopsis isonervosa L.J. Hickey Mem. Geol. Soc. Amer., 150: 115. 19 Jul 1977
- Name
- Zingiberopsis isonervosa
- Rank
- Species
- Generic Name
- [Genus] Zingiberopsis
- Authors (Pub.)
- Hickey L. J.
- Publication
- Stratigraphy and paleobotany of the Golden Valley Formation (Early Tertiary) of Western North Dakota [1977/7]
- Journal
- Memoirs of the Geological Society of America
- Volume
- 150
- Page number
- 115
- Year
- 1977
- Fossil Status
- leaves
- Stratigraphy
- Thanetian
- Location
- White Butte, Stark County, North Dakota, USA
- Paleoregion
- America (North)
Data for Holotypus
- Repository
- National Museum of Natural History, Smithsonian Institution, Washington, USA
- Repository Number
- USNM 43066
Data for Paratypus
- Repository
- National Museum of Natural History, Smithsonian Institution, Washington, USA
- Repository Number
- USNM 43067 [pl. 10: 4]; Princeton University: 20047
- Num
- 10: 4
- Diagnosis
- Leaves elliptic to lanceolate; thus far found only as fragments; / estimated
at as much as 50 cm; from 5 to an estimated 18 cm; base unknown. Leaf texture chartaceous to subcoriaceous. Venation pinnate; midrib massive, as much as 5 mm wide, extending about three-fourths of the way to the apex; secondaries numerous, spaced 0.33 to 0.5 mm apart, parallel, diverging
from the midrib at an angle between 20° and 30°. Tertiaries fine, consisting of nearly straight, approximately perpendicular cross-connections between adjacent secondaries, spaced 1/mm to 2/mm.
