detailed view posidonia sinuosa seagrass showcasing wavy sinuous leaves and vibrant green tones intricate leaf venation

posidonia sinuosa seagrass underwater plant aquatic vegetation marine ecosystem green leaves leaf venation wavy ocean flora coastal habitat life biodiversity environmental conservation natural beauty vibrant colors detail ecosystems meadows photosynthesis protection restoration plants biology oceanography health wave patterns gardens environment nature anatomy botanical illustration water ecological research sea species native ai generated