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Wilkinsoniphyllum
Genus Wilkinsoniphyllum Jud, Gandolfo, A. Iglesias, Wilf in Jud, A. Iglesias, Wilf, Gandolfo Amer. J. Bot., 105(5): 931. May 2018
- Name
- Wilkinsoniphyllum
- Rank
- Genus
- 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
- 931
- Year
- 2018
- Parent Taxon
- [Family] Menispermaceae
- Fossil Status
- leaves
- Type
- Wilkinsoniphyllum menispermoides
- Diagnosis
- Diagnosis—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.
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