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Fig. 6 | BMC Evolutionary Biology

Fig. 6

From: Bilobate leaves of Bauhinia (Leguminosae, Caesalpinioideae, Cercideae) from the middle Miocene of Fujian Province, southeastern China and their biogeographic implications

Fig. 6

Leaf morphology of Bauhinia fotana from the middle Miocene of Fujian Province, southeastern China. a-b Epitype, PB21579 and its line-drawing, showing the detailed leaf architecture. Note that this leaf was torn along the midvein and then became partially overlapped of two lobes after a twist during the process of fossilization. c PB21580, showing basal actinodromous primary veins (1°). Note that the apical parts of the leaf were deformed. d Holotype, PB21577, indicating a relatively complete leaf with stout, basal actinodromous 1°. e-f PB21581a, b, showing the part and counterpart specimens of a leaf. Note that this leaf was torn near the midvein, and the right lobe was partially folded. Red arrows in (d, f) refer to a partially preserved petiole. Scale bars = 1 cm

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