Actinodaphnoxylon Akkemik et Mantz. in Akkemik, Mantzouka, Tunç & Koçbulut

Plant Fossil Names Registry Number: PFN001578

Act LSID: urn:lsid:plantfossilnames.org:act:1578

Authors: Ü. Akkemik & D. Mantzouka

Rank: genus

Reference: Akkemik, Ü., Mantzouka, D., Tunç, U. & Koçbulut, F. (2021): The first paleoxylotomical evidence from the Mid-Eocene Climate Optimum from Turkey. – Review of Palaeobotany and Palynology 285: 104356 (20 pp.).

Page of description: 8

Type

Original diagnosis/description

Growth ring boundaries absent, wood diffuse porous, vessels predominantly in radial multiples up to 7 vessels, and clusters present. Ratio of vessels in groups 92%. Solitary vessels very rare (8%). Tyloses common. Pits on vessels alternate, and sometimes scalariform-like pits present in vessel-ray pit areas. Vessel frequency 20–40 per square mm, helical thickenings present, perforation plates simple, axial parenchyma rare, scanty paratracheal and vasicentric, rays 1–3 seriate, oil and/or mucilage cells can be seen mainly at the procumbent and marginal ray cells and among the fibers. Rays heterocellular with one (– two) rows of upright and/or square marginal cells (usually oil and mucilage cells). Dried oil cells look like crystals. Septate fibers present (IAWA codes of the description are given in Appendix D).