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The Divine nightshade (Solanum nigrescens) belongs to Solanaceae (the Nightshade family). It is an annual herb that is native to Mexico and South America. It has been naturalized in Japan in the old days. This herb grows on vacant lots, fields, and forest edges, and can reach a height of 30 to 80 cm. The leaves are ovate, with entire or wavy serrations, and curly hairs on the leaf edges and back. From August to December, 5 to 8 flowers come in very short racemes. If the number of flowers is small, the flowers will gather at almost one point. The flowers are white to purple tinged, 8-12 mm in diameter, and split 5 deep lobes. The fruits are 7-10 mm in diameter, slightly shiny and ripen black.
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