Are Fagopyrum Tataricum and Polygonum Barbatum in the same botanical family?

Yes — both belong to Polygonaceae.

Can you substitute Fagopyrum Tataricum for Polygonum Barbatum?

They share the Polygonaceae family, so they can sometimes substitute in recipes — with notable differences in aroma.

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Fagopyrum Tataricum vs Polygonum Barbatum

Fagopyrum tataricum · Polygonum barbatum

Fagopyrum Tataricum

Fagopyrum tataricum

T Traditional Use

Family: Polygonaceae
Genus: Fagopyrum
Primary use: medicinal

Fagopyrum tataricum, also known as Tartary buckwheat, green buckwheat, ku qiao, Tatar buckwheat, or bitter buckwheat, is a domesticated food plant in the genus Fagopyrum in the family Polygonaceae. With another species in the same genus, common buckwheat, it is often counted as a…

Polygonum Barbatum

Polygonum barbatum

T Traditional Use

Family: Polygonaceae
Genus: Polygonum
Primary use: medicinal

Persicaria hydropiperoides, commonly called swamp smartweed, mild waterpepper, false waterpepper, or sometimes simply waterpepper, is a species of flowering plant in the buckwheat family. It has a widespread distribution across much of North America and South America. Its preferr…

At a glance

· Both in Polygonaceae, but different genera (Fagopyrum vs Polygonum).
· Both are primarily medicinal.
· Evidence tiers — Fagopyrum Tataricum: T; Polygonum Barbatum: T.