Meristems are groups of undifferentiated cells found in growth zones of plants. Active meristem zones have a different cellular organization than inactive zones, and up until recently no fossilized active root meristem had been found. A team of scientists recently found and described the fossilized remains of an actively growing root meristem dating from the Carboniferous. The fossil, named Radix ...[Read More]
Coffee break biogeosciences–The oldest known fossilized active root meristem
![Coffee break biogeosciences–The oldest known fossilized active root meristem](https://blogs.egu.eu/divisions/bg/files/2016/07/pano_cut_3-e1467381207900-700x400.jpg)
Radix carbonica is the oldest known fossilized remains of root meristem which was actively growing at time of fossilization. (Image credit: Alexander (Sandy) Hetherington of slide number 81 with the permission of the Oxford University Herbaria).