submersed

adj.生长水中的

Any of several submersed aquatic plants of the genus Vallisneria. 苦草任一种大叶藻属的水下水生植物

Herbs perennial, submersed, hydrophilous, monoecious. 多年生草本，沉水，水生，雌雄同株。

Flowers solitary, axillary, mostly submersed and cleistogamous. 花单生，腋生，多数沉水和。

Leaves submersed and floating, short to long petiolate. 叶浸没和漂浮，短到长具叶柄。

Floating leaves triangular-rounded to cordate, submersed ones lanceolate. 浮水叶三角形圆形到心形，沉水的披针形。