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How do stolons allow some grasses to spread vegetatively?
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Stolons, also known as runners, are slender, horizontal stems that grow above the soil surface and serve as a primary mechanism for vegetative reproduction in many grasses.12
They allow grasses to spread by extending outward from the parent plant and developing roots and new vertical shoots at specialized points called nodes. When these nodes make proper contact with the soil, they can establish themselves as independent plantlets, effectively creating a clonal colony. This method of asexual reproduction enables grasses to colonize and dominate habitats efficiently, as the new plants remain connected to the parent through the stolon until they are sufficiently established.1234