👉 Vespertiliones is a term in the field of plant biology, specifically used to describe the presence of pollen grains within the stamata (petal or stigma) of certain flowering plants. These stamata are responsible for releasing pollen, which fertilizes new flowers and seeds. In simpler terms, vespertiliones refer to the tiny, white particles that surround the stamata of a flower, allowing pollen grains to be released into the atmosphere as they fall from the flower's pist