noun
common water hyacinth
An aquatic plant with showy purple flowers, often seen floating on ponds and lakes. In Japan it is sometimes considered an invasive species.
池にホテイアオイがたくさん浮かんでいる。
Many water hyacinths are floating on the pond.
ホテイアオイは夏に薄紫色の花
Water hyacinths bloom with pale purple flowers in summer.