Fig. 3From: Primotrapa gen. nov., an extinct transitional genus bridging the evolutionary gap between Lythraceae and Trapoideae, from the early Miocene of North ChinaFloral cups and immature fruits of Primotrapa weichangensis from the Miocene of Weichang, China. a A laterally preserved, immature fruit showing the floral cup with three sepals and three intersepal appendages alternately arranged. PEPB70591 (Holotype). b-c Another two laterally preserved, immature fruits. PEPB70592–70593. d-f Abscised immature fruits showing the ribbed surface. PEPB70596–70598. g-j Laterally, distally, or basally preserved floral cups showing four sepals and four intersepal appendages alternately arranged at the rim of the cup. PEPB70601–70604. k-n Micro-CT-scanned, 3-D reconstruction of a floral cup (k) showing the front and back views of the floral cup (l), and the longitudinal sections (m, n). PEPB70605Back to article page