Xylem development can be described by four terms: centrarch, exarch, endarch and mesarch. As it develops in young plants, its nature changes from protoxylem...

most distinctive features of Osmundastrum gvozdevae is the presence of endarch xylem in the leaf traces, with protoxylem strands that bifurcate as they...

composed of parenchyma cells and sclerenchyma cells, primary xylem is endarch, secondary xylem with points with halos that dominate, thick radial walls...

middle cortex, and a network of vascular branches extends between them. Endarch is defined as the primary xylem of Stigmaria, and organized in forked vascular...

the inner cortex to the outer cortex. The primary xylem of Stigmaria is endarch and arranged in a series of bands surrounded by vascular cambium. The secondary...