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submerged aquatic plant with ribbonlike leaves; Old World and Australia

: a submerged aquatic plant (Vallisneria spiralis) with long ribbonlike leaves — called also celery, eelgrass, water celery, wild celery

a freshwater plant, Vallisneria spiralis, that has long, ribbonlike leaves and grows under water. Also called eelgrass, wild celery.

[1810-20]

tape grass noun

Any plant of the genus Vallisneria

Main Entry: ↑tape

tape grass,

an underwater herb of the frogbit family with narrow, grasslike leaves.

n. a submerged aquatic plant of the frog's-bit family, with narrow grasslike leaves. Also called and ribbon grass. ● Genus Vallisneria, family Hydrocharitaceae: several species