What is an example of intercalary growth?
One example of intercalary growth can be seen in the stem of grasses
One example of intercalary growth can be seen in the stem of grasses. Intercalary growth refers to the ability of certain organisms to elongate or increase in length at specific locations, known as intercalary meristems. In the case of grasses, intercalary growth occurs at the base of the stem, just above the ground, within the intercalary meristem.
This mechanism allows grasses to continuously grow and regenerate from the base, even if the tip of the stem is damaged or grazed. The intercalary meristem produces new cells that elongate and push the tip of the stem forward. As a result, the stem grows taller while maintaining a constant height above the ground.
The ability of grasses to exhibit intercalary growth is particularly advantageous in grazing environments or areas with frequent disturbances. It ensures the survival and recovery of the plant, even in the face of grazing by animals or regular mowing.
Intercalary growth is not limited to grasses; it can also be observed in some other plants, such as certain types of bamboos and reeds. However, the grass family (Poaceae) is the most well-known example of intercalary growth in the plant kingdom.
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