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Menispermites calderensis
Menispermites calderensis Jud, Gandolfo, A. Iglesias, Wilf in Jud, A. Iglesias, Wilf, Gandolfo Amer. J. Bot., 105(5): 932. May 2018
- Name
- Menispermites calderensis
- Rank
- Species
- Generic Name
- [Genus] Menispermites
- Authors (Name)
- Jud N. A.
Gandolfo M. A.
Iglesias A.
Wilf P.
- Authors (Pub.)
- Jud N. A.
Iglesias A.
Wilf P.
Gandolfo M. A.
- Publication
- Fossil moonseeds from the Paleogene of West Gondwana (Patagonia, Argentina) [2018/5]
- Journal
- American Journal of Botany
- Volume
- 105
- Issue
- 5
- Page number
- 932
- Year
- 2018
- Fossil Status
- leaves
- Stratigraphy
- Ypresian
- Location
- Chubut Province, Argentina,
- Paleoregion
- America (South)
Data for Holotypus
- Repository
- Museo Paleontologico Egidio Feruglio, Trelew, Argentina
- Repository Number
- MPEF-Pb 6803
- Diagnosis
- Leaf simple, petiolate; blade attachment subpeltate;
blade ovate, nearly symmetrical; base broadly rounded, cordate,
base angle reflexed; apex acute, retuse; margin entire. Primary venation
suprabasal actinodromous, basal veins departing from the
petiole insertion point; central primary slightly wider than lateral
primaries; first pair of lateral primaries arching laterally and about
one-quarter
the distance to apex, second pair extending 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
or subopposite, simple to compound agrophic veins; tertiary vein
framework mixed alternate/opposite percurrent; fourth and fifth
vein order framework regular polygonal reticulate; areoles regular,
polygonal; fimbrial vein conspicuous.
