Which plant is an aquatic plant species, Andira or Watercress?
Andira Andira is a genus of flowering plants in the legume family, Fabaceae. It is distributed in the tropical Americas, except for "A. inermis", which also occurs in Africa. It was formerly assigned to the tribe Dalbergieae, but recent molecular phylogenetic evidence has placed it in a unique clade named the "Andira" clade.
Nymphoides hydrophylla Nymphoides hydrophylla (crested floatingheart, white water snowflake, white snowflake ) is an aquatic plant of the family Menyanthaceae native to tropical Asia. It has cordate floating leaves that support a lax inflorescence of dainty white flowers with fringed petal margins. Its slim stem (spear) is edible, and is used as vegetable in Taiwan, mostly produced at Meinong District, Kaohsiung.