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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: Primotrapa gen. nov., an extinct transitional genus bridging the evolutionary gap between Lythraceae and Trapoideae, from the early Miocene of North China

Fig. 4

Floral cups and dispersed sepals and intersepal appendages of Primotrapa weichangensis from the Miocene of Weichang, China. a Front and back views of a floral cup showing the base of the fruit free from the shallow, saucer-shaped floral cup. PEPB70605. b A small saucer-shaped floral cup with remains of the sepals, epicalyx, and fruit ribs. PEPB70606. c-d Longitudinal view of a floral cup (c) and its enlargement (d). PEPB70607. e Four detached, isolated sepals showing sparsely spaced recurved barbs. PEPB70629–1–4. f A detached, isolated intersepal appendage. PEPB70630–1. g-j SEM of a sepal showing its striated surface. PEPB70629–5

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BMC Ecology and Evolution

ISSN: 2730-7182

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