What physical characteristic do Horned Pondweed leaves possess?

Horned Pondweed, known scientifically as Zannichellia palustris, possesses leaves that are threadlike in shape, with a smooth margin. This distinct feature is characteristic of the plant, allowing it to thrive in aquatic environments. The threadlike leaves help the plant to stay submerged in water while minimizing resistance to currents, which can be beneficial for its growth and survival. The smooth margin further distinguishes Horned Pondweed from other aquatic plants that may have broader, flatter leaves or more serrated edges. These adaptations make it well-suited for its habitat and contribute to its ability to capture light efficiently for photosynthesis.