The xylem of the plant stem performs several important functions ... and mechanical traits were certainly related to xylem ...

By this definition, stem cells are particularly important for plant growth, because virtually all tissues of the plant descend from small groups of stem cells located in their growing apices ...

For example bone marrow stem cells only form different types of blood cells. Plants have stem cells too. They're found at the meristems, the growing tips of the roots and the shoots. The big ...

“It is a good example that shows the plant’s simple structure with no roots or leaves.” Unearthed from stratum from the Silurian Period near Prague, the fossil is comprised of a furcate stem ...