sweet flag

American  

noun

1. a plant, Acorus calamus, of the arum family, having long, sword-shaped leaves and a pungent, aromatic rootstock.

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sweet flag British  

noun

1. Also called: calamus.  an aroid marsh plant, Acorus calamus, having swordlike leaves, small greenish flowers, and aromatic roots

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Etymology

Origin of sweet flag

First recorded in 1775–85

Example Sentences

The lake was layered with sweet flag, sedge, lilies, horehound, bulrush and buckbean.

From New York Times

Three honey locusts are to be planted at the north end of the plaza, near a “rain garden” of sedges, ferns, sweet flag and iris in which runoff water will be captured for reuse.

From New York Times

Let her learn the difference between huckleberries and blackberries, learn where checkerberries grow thickest and dig up sweet flag root with her own hands as country children do.

From Project Gutenberg

Some of the plants included in the book are found in North America, like sweet flag.

From New York Times

In a sweeping bed outside the run, ‘Ogon’ sweet flags, Japanese maples, ‘Morning Light’ miscanthus, and more cast-iron plants soften the fence.

From Southern Living