Both also need lots of sunlight, and both seek out sun without fear. Botanist Yang Yuan-po developed an early interest in water plants because there were lotus at the middle school in Ilan where he was a student. He says that plants that grow in the water have evolved to adapt to sunlight.
由於初中就讀的宜蘭中學種有荷花，對水生植物早就產生興趣的植物學者楊遠波說，水生植物經過長時間演化，已適應陽光。