Prosopisinoxylon anciborae L.C.A.Martínez

Plant Fossil Names Registry Number: PFN003354

Act LSID: urn:lsid:plantfossilnames.org:act:3354

Author: L. C. A. Martínez

Rank: species

Genus: Prosopisinoxylon L.C.A.Martínez

Reference: Martínez, L. C. A. (2010): Prosopisinoxylon anciborae nov. gen. et sp. (Leguminosae, Mimosoideae) from the Late Miocene Chiquimil Formation (Santa María Group), Catamarca, Argentina. – Review of Palaeobotany and Palynology 158(3–4): 262–271., link

Page of description: 264

Illustrations or figures: pls I-III

Name is type for

Types

Original diagnosis/description

Secondary wood, growth rings indistinct. Diffuse porous. Vessels of two distinct diameter classes, small and very large. Vessels circular to oval in outline; solitary, in radial multiples and in clusters. Vessel elements short. Perforation plates simple. Intervessel pits from minute to medium, oval to circular, alternate and vestured. Rays homocellular, procumbent cells, 1–9 seriate (Kribs Homogeneous type II). Axial parenchyma paratracheal vasicentric, aliform and confluent to banded, in longitudinal section in strands and fusiform. Apotracheal parenchyma diffuse, with prismatic crystals in chambered cells and with a single rhomboid crystal per chamber. Fibres with simple pits and thick-walled.

Etymology

The specific name is dedicated to Prof. Dr. Elena Ancibor for her important contributions and extensive studies on the anatomy of Argentine plants.

Stratigraphy

Neogene, Miocene
Santa María Group, Chiquimil Formation, Upper Miocene.

Locality

Argentina
Río Seco, Santa María Department. Catamarca Province.