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Tartary buckwheat scientific name: Fagopyrum tataricum L. Gaertn. is a plant of the Polygonaceae, buckwheat genus. Annual herb. Stems erect, 30-70 cm high, branched, green or slightly purple, with thin longitudinal edges, one side with papillary protrusions, leaves broadly triangular, 2-7 cm long. Inflorescence racemose, terminal or axillary, flowers sparsely arranged; bracts ovate, 2-3 mm long, with 2-4 flowers in each bract, with joints in the middle of pedicel. Achenes long ovate, 5-6 mm long, with 3 edges and 3 longitudinal grooves, the upper part is sharp, the lower part is obtuse sometimes with wavy teeth, dark brown, dull, longer than persistent perianth. Flowering June-September, fruiting August-October. In China, it is cultivated and sometimes wild in the mountains of northeast, north, northwest and southwest China. It grows on the fields, roadsides, hillsides and river valleys at an altitude of 500-3900 meters. Seeds are eaten or used as fodder. The root is used for medicinal purposes, regulating Qi and relieving pain, strengthening the spleen and removing dampness.

500 3900 achenes altitude annual august black bract bracts branched broadly brown buckwheat china cultivated dampness dark dull fagopyrum fields flowering flowers fodder fruiting genus green grooves grows herb high hillsides inflorescence joints june leaves longer longitudinal medicinal middle mountains north northeast northwest obtuse october ovate papillary pedicel perianth persistent plant polygonaceae protrusions purple purposes racemose regulating removing roadsides root seeds september sharp slightly southwest sparsely stems tartary tataricum teeth thin triangular wavy wild