Fir cone of an ovoid or lemon shaped form, slightly flattened in the fossilisation process's. The interesting morphology of the exterior woody scales, which are in fact a woody leaf wrapped around a central core or stem hold the ovules, which once pollenated by the male cones develop into seeds. A woody cone is a strobilus or strobili in plural, strobili are sporangia, spore bearing structures. Once mature the cone would start to break up, much like modern cones. Interestingly this cone appears not to have reached the stage of maturity and therefore has not open and has been covered quickly with sediments. The cone has been left intact not cut into two halves. A very good study specimen, beautiful with subtle colourations of pale creams to soft pinks.
A sudden event covered this fossil fir cone and petrification has prevented the cone to mature, the process has halted the life of the tree and female cone to produce its seeds after fertilisation of the male cone and so we can observe in detail this unique structure from a hidden past of the jurassic forests of Patagonia.