Answers are grounded in this paper and cite their sources.
E. M. BERRIDGE, B.Sc., F.L.S.; The Structure of the Flower of Fagaceae, and its Bearing on the Affinities of the Group, Annals of Botany, Volume os-28, Issue 3,
No takes yet. Share an insight, caveat, or question.
Emily M. Berridge (1914) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: