Anatomically preserved fossils of Shirleya
grahamae (Lythraceae), from the middle Miocene Yakima Canyon flora
of central Washington State, USA. In the left column are transverse sections
of the fruit from near the apex to the base showing tightly packed seeds;
the central column shows details of the seeds with a triangular embryo
cavity and large inflated distal wing; the right column shows tangential
sections from inside to outside.
Botanical Society of America
copyright: Kathleen B. Pigg, BSA
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