fossil of flowers

Infructescence of Trochodendron sp. Figure 29 in Manchester, S.R., P.R. Crane and D.L. Dilcher 1991. Nordenskioldia and Trochodendron (Trochodendraceae) from the Miocene of northwestern North America. Botanical Gazatte 152:357-368. Correction: this is from Emerald Creek (UIMM loc P37)–Not Clarkia as stated in the figure caption.