Lefipania Cam.Martínez in Martínez, Gandolfo & Cúneo

Plant Fossil Names Registry Number: PFN000697

Act LSID: urn:lsid:plantfossilnames.org:act:697

Author: C. Martínez

Rank: genus

Reference: Martínez, C., Gandolfo, M. A. & Cúneo, N. R. (2018): Angiosperm leaves and cuticles from the uppermost Cretaceous of Patagonia, biogeographic implications and atmospheric paleo-CO2 estimates. – Cretaceous Research 89: 107–118.

Page of description: 109

Illustrations or figures: figs 2, 3, 4

Type

Original diagnosis/description

Leaf simple, petiolate; blade microphyll, petiole attachment marginal; blade elliptical to oblong, and symmetrical, apex and base angle acute; base shape convex to decurrent. Primary venation pinnate, secondary venation polygonal reticulodromous; major secondary veins with decurrent attachment.
Intercostal tertiary veins regular polygonal reticulate, and conspicuous thickened margin. Adaxial and abaxial cuticle with isodiametric epidermal cells, with a rectangular organized pattern towards the margins, and trichome abscission thickened scars. Stomatal complexes cyclocytic and amphistomatic, more abundant on abaxial epidermis than on adaxial, and randomly oriented.

Etymology

From the Lefipan Formation where the specimens were collected.