The inner tissues of the ovary wall in many Compositae contain crystals of calcium oxalate. These are of many different forms, some of which are of very restricted taxonomic distribution. These crystals are organized inclusions of the cell, many of them having a complex internal structure which is not explicable in terms of a homogeneous crystal lattice.
No takes yet. Share an insight, caveat, or question.
K. J. Dormer (1961) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: