podo·​ste·​mon | \ -mən\

Definition of podostemon

1 capitalized : a widely distributed genus (the type of the family Podostemonaceae) of rock-inhabiting submerged aquatic herbs having sessile involucrate flowers and poorly differentiated leaves — see riverweed
2 plural -s : any plant of the genus Podostemon

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History and Etymology for podostemon

New Latin, from pod- + Greek stēmōn threadwarp

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