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Table 1 Summary of the characters distinguishing Almargemia dentata, Eobowenia incrassata and Bowenia

From: Eobowenia gen. nov. from the Early Cretaceous of Patagonia: indication for an early divergence of Bowenia?

Species Venation Teeth Guard cells Stomatal apparatus Stomatal orientation
Almargemia dentata (Heer) Florin Parallel Lobe-like Sunken Dicyclic Random
Eobowenia incrassata (S.Archang.) M.Coiro et C.Pott Convergent at the base Simple, glandular? Level with epidermis Monocyclic Longitudinal
Bowenia serrulata (W.Bull) Chamb. Convergent at the base Simple Level with epidermis Monocyclic Longitudinal
Bowenia spectabilis Hook. ex Hook.f. Convergent at the base Absent-simple Level with epidermis Monocyclic Longitudinal
Bowenia papillosa R.S.Hill ? ? Level with epidermis Monocyclic Longitudinal
Bowenia eocenica R.S.Hill Convergent at the base Simple Level with epidermis Monocyclic Longitudinal