eriocaulon : Idioms & Phrases
eriocaulon aquaticum
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noun aquatic perennial of North America and Ireland and Hebrides having translucent green leaves in a basal spiral and dense buttonlike racemes of minute white flowers
pipewort.
WordNet
genus eriocaulon
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noun type genus of the Eriocaulaceae: rushlike aquatic or marginal perennials usually found in shallow waters of acid lakes and pools and bogs
Eriocaulon.