Fig. 4
From: Revealing the diversity of amber source plants from the Early Cretaceous Crato Formation, Brazil
Araripestrobus resinosus gen. nov et sp. nov. from weathered material (UOP-PAL-MC0004) a Apically compressed detached cone portion with central axis (dark central oval) and the remains of microsporophylls. b Microsporophyll remains radiating from the central axis (upper left side), arrowheads indicating fibrous nature of microsporophylls. c Better preserved microsporophylls at the edge of the detached cone portion showing more detail of the microsporophyll shape and structure. d Detail of a thick microsporophyll with now empty resin canals seen in oblique view as oval voids (arrowheads). e Scanning electron micrograph of a microsporophyll showing resin (arrowhead) inside a canal