資料來源 : Webster's Revised Unabridged Dictionary (1913)
Pondweed \Pond"weed`\, n. (Bot.)
Any aquatic plant of the genus {Potamogeton}, of which many
species are found in ponds or slow-moving rivers.
{Choke pondweed}, an American water weed ({Anarcharis, or
Elodea, Canadensis}.) See {Anacharis}.
{Horned pondweed}, the {Zannichellia palustris}, a slender,
branching aquatic plant, having pointed nutlets.
資料來源 : WordNet®
Zannichellia palustris
n : found in still or slow-moving fresh or brackish water;
useful to oxygenate cool water ponds and aquaria [syn: {horned
pondweed}]