Image: Female Ephedra californica cone - journal.pone.0053652.g002-A

Description: A membranous female cone of Ephedra californica Watson in Sect. Alatae Stapf. doi:10.1371/journal.pone.0053652.g002A
Title: Female Ephedra californica cone - journal.pone.0053652.g002-A
Credit: Yang Y, Wang Q (2013) The Earliest Fleshy Cone of Ephedra from the Early Cretaceous Yixian Formation of Northeast China. PLoS ONE 8(1): e53652. doi:10.1371/journal.pone.0053652
Author: Yang Y, Wang Q (2013)
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