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Fig. 3 | Journal of Palaeogeography

Fig. 3

From: Spirematospermum wetzleri (Heer) Chandler (Zingiberaceae) from the Miocene of Weichang, Hebei Province, North China and the phytogeographic history of the genus

Fig. 3

Capsules and seeds of Spirematospermum wetzleri from the early Miocene of Weichang, Hebei Province, North China. a Five flattened capsules with the apex eroded away, specimen nos. PEPB70701–70705; b Five polyhedral capsules, tapering into a curved stalk at the base, specimen nos. PEPB70706–70710; cg The distinctive, spirally striate and arillate seeds, specimen nos. PEPB70731–70735; h SEM image of the transverse section of the seed; i Magnification of the white rectangular part in h

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