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Jenkinsella knowltonii
Jenkinsella knowltonii Golovn., P.I. Alexeev in P.I. Alexeev, Golovn. Paleobot., 8: 102. 2017
- Name
- Jenkinsella knowltonii
- Rank
- Species
- Generic Name
- [Genus] Jenkinsella
- Authors (Name)
- Golovneva L. B.
Alexeev P. I.
- Authors (Pub.)
- Alexeev P. I.
Golovneva L. B.
- Publication
- Taxonomy and morphological diversity of infructescences Jenkinsella co-occurred with Trochodendroides leaves in the Cretaceous and Paleogene [2017]
- Journal
- Paleobotanika
- Volume
- 8
- Page number
- 102
- Year
- 2017
- Fossil Status
- infructescences
- Stratigraphy
- Paleocene
- Location
- south face of South Table Mountain, 100 feet below the lava cap, the Dawson arkose, Colorado, USA
- Paleoregion
- America (North)
Data for Holotypus
- Repository
- National Museum of Natural History, Smithsonian Institution, Washington, USA
- Repository Number
- USNM 37720
- Diagnosis
- The long shoots bear several widely spaced alternate lateral racemose infructescences and one
apical infructescence. The infructescences are 35—50 mm long and bear 5—7 follicles at distance of approximately
2—4 mm. A bud ring with swollen joint is visible where each raceme is attached to the long shoot. Spirally
arranged follicles are borne singly on short side branches of the infructescences axis with a joint at the base of the
stalk. Follicles are ellipsoidal or oblong, 10—16 mm long, 4—6 mm in diameter, with acute apex, attenuated into
short stalk in the base. Mode of follicle dehiscence is unclear. Orientation of ventral sutures is different.