Wilkinsoniphyllum Jud, Gandolfo, A.Iglesias et Wilf in Jud, Iglesias, Wilf & Gandolfo

Plant Fossil Names Registry Number: PFN001751

Act LSID: urn:lsid:plantfossilnames.org:act:1751

Authors: N. A. Jud, M. A. Gandolfo, A. Iglesias & P. Wilf

Rank: genus

Reference: Jud, N. A., Iglesias, A., Wilf, P. & Gandolfo, M. A. (2018): Fossil moonseeds from the Paleogene of West Gondwana (Patagonia, Argentina). – American Journal of Botany 105(5): 927–942.

Page of description: 931

Type

Wilkinsoniphyllum menispermoides Jud, Gandolfo, A.Iglesias et Wilf in Jud, Iglesias, Wilf & Gandolfo

Original diagnosis/description

Leaf simple, petiolate with an upper pulvinus; blade attachment marginal; blade simple, wide ovate; base concavo-convex, obtuse; apex rounded, obtuse, mucronate; margin entire. Primary venation suprabasal actinodromous; central primary slightly wider than lateral primaries; lateral primaries ascending about two-thirds the distance to apex into apical half of lamina; secondary vein framework brochidodromous, secondary veins excurrent, ascending from the central primary with the lowermost pair diverging near the middle of the blade, central secondary veins alternate, simple agrophic veins present; tertiary vein framework alternate percurrent; fourth to sixth order vein framework regular polygonal reticulate; areoles regular, polygonal, lacking freely ending veinlets; fimbrial vein present.

Etymology

Named for Dr. H. P. Wilkinson in honor of her contributions to our understanding of leaf morphology and anatomy in Menispermaceae (Wilkinson, 1978, 1986, 1989).

Plant fossil remain

macro- and meso-fossils-embryophytes except wood

Names associated with genus

Wilkinsoniphyllum menispermoides Jud, Gandolfo, A.Iglesias et Wilf in Jud, Iglesias, Wilf & Gandolfo 2018