Within the New World clade, a clear trend is seen towards less deeply lobed to convex-triangular, compact, but essentially still syncolpate (to parasyncolpate) grains ([ Aetanthus -] Psittacanthus-Cladocolea-Struthanthus [- Peristethium ] lineage) and demicolpate-lobed and -circular grains ( Passovia-Dendropemon-Oryctanthus lineage).
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