花白色，有独特气味。

White flowers, and unique smell.

圆锥花序顶生，花白色，核果长圆形，蓝黑色。

Platoon with acrogenous panicle, white flowers. Long and round picine drupes.

北美东部产的一种普通水生植物，飘浮叶长圆形至倒卵形，基部常具缺刻，花白色，有黄斑点。

Common aquatic plant of eastern North America having floating and submerged leaves and white yellow-spotted flowers.