Spirodela

noun
Spi·​ro·​de·​la | \ ˌspīrəˈdēlə\

Definition of Spirodela

: a genus of aquatic plants (family Lemnaceae) having a membranous spathe and a thallus with a cluster of several rootlets — see great duckweed

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History and Etymology for Spirodela

New Latin, from spir- + -dela (from Greek dēlos visible, evident); from the fact that the spiral vessels are visible through the transparent tissues

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