Meeusella and the origin of stamens

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Abstract
MEEUSELLA gen. nov. [type species: M. proteiclada sp. nov.] is a strobilate pollen organ from the Lower Cretaceous of Transbaikalic [USSR] (east of the Lake Baikal); the branched lateral branches (paracladia), if fully developed, bear a subterminal pair of stalked synangial heads. In some cases the latter are reduced to a pair of sessile heads or the paracladia are sterile. It is suggested that the synangial heads might be further reduced to a pair of bisporangiate thecae, while the paracladium apex between them might form a prominent connective of a typical stamen.

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