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Stephania japonica (Menispermaceae), digital sections in multiple planes through a single fruit providing search images for potential fossils: Pericarp (p), mesocarp (me), endocarp (en), seed (s), locule (lo), and condyle (c). (A) Longitudinal section. (B–D) Transverse sections. (E and F) Longitudinal sections (perpendicular to that in panel A). (G and H) Oblique sections. (Scale bar: A and C–E, 1 mm; B, 0.8 mm; F–H, 1.4 mm.)
