The Stem

The stem is the ascending (phototropic) part of plant which develops from plumule.

Characteristics of stem
1. The stem develops from plumule.
2. It is an ascending axis and is differentiated into nodes and internodes.
3. It shows negative geotropism and positive phototropism.
4. It bears distinct nodes and internodes.
5. It possesses terminal bud at its tip and in addition bear leaves, branches and flowers.
6. The young stem is green and photosynthetic.
7. The stem bears multicellular hairs.
8. Lateral buds are exogenous in origin.