Stock Photo - Common amaranth, red-root amaranth or redroot pigweed (Amaranthus retroflexus) is an annual plant edible but reach in oxalic acid. Is native to tropical America but naturalized on most others continents. This photo was taken in Savassona, Barcelona province, Catalonia, Spain.

Stock Photo: Common amaranth, red-root amaranth or redroot pigweed (Amaranthus retroflexus) is an annual plant edible but reach in oxalic acid.