Hanophyllum Barbacka, G.Pacyna et C.Pott in Barbacka, Górecki, Pott, Ziaja, Blodgett, Metzler, Caruthers, Edirisooriya & Pacyna

Plant Fossil Names Registry Number: PFN003193

Act LSID: urn:lsid:plantfossilnames.org:act:3193

Authors: M. Barbacka, G. Pacyna & C. Pott

Rank: genus

Reference for this name: Barbacka, M., Górecki, A., Pott, C., Ziaja, J., Blodgett, R. D., Metzler, C., Caruthers, A., Edirisooriya, G. & Pacyna, G. (2023): Macroflora from Lower Jurassic (Pliensbachian) of Hicks Creek, southern Talkeetna Mountains, south-central Alaska. – Papers in Palaeontology 9(6): e1541 (35 pp.).

Page of description: 12

Original diagnosis/description

Leaves linear, gradually tapering towards acute apex. Leaf blade of various widths, frequently serrate with a continuous transition between different shapes of teeth. Venation well marked. Midrib wide, tapering towards apex, exposed. Lateral veins simple, running to margins. Cells on adaxial side elongate, forming longitudinal rows, on abaxial side irregular. Cell walls thin, straight, occasionally undulate.

Etymology

In honour of Johanna H.A. van Konijnenburg-van Cittert, Dutch palaeobotanist, in appreciation of her outstanding contribution to European and worldwide palaeobotany