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n. A genus of monocotyledonous plants of the order Alismaceæ and tribe Alismeæ.

n. genus of aquatic herbs of temperate and tropical regions having sagittate or hastate leaves and white scapose flowers

"The aquatic plants of the neighborhood may be kept in the aquarium, -- such things as myriophyllums, charas, eel-grass, duckmeats or lemnas, cabomba or fish grass, arrow-leafs or sagittaria, and the like; also the parrot's feather, to be bought of florists (a species of myriophyllum)."

monocot genus    liliopsid genus   

common arrowhead   

Sagittaria