Stem Anatomy Vocab
vascular cambium
a single layer of meristem tissue between the xylem and the phloem that produces the secondary xylem (wood) and the secondary phloem (inner bark)
meristem
a specialized area where plant growth takes place and where cells divide and differentiate
stem
an organ that serves as the main stalk of a plant or that supports a plant part, such as a leaf, a flower, or fruit
apical meristem
dividing tissue found at the end of a stem and at the tip of a root
internode
internode:
cork cambium
lateral meristem that produces cork cells and cork parenchyma
periderm
secondary tissue consisting of cork-producing tissue, the cork cells, cork parenchyma, and remnants of primary tissues that become the outer bark
heartwood
the darker and older inner wood of a tree
node
the location where a leaf attaches to the stem
sapwood
the younger and lighter-colored wood circling the heartwood of a tree
pith
tissue composed of large, thin-walled parenchyma cells that makes up the core of a dicot stem