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Parietaria micrantha Accepted Taxa Parietaria micrantha Parietaria debilis Japan Flora Resources Japan Flora: Delicate soft-pubescent annual 10-15 cm. high; leaves alternate, long- petioled, ovate to broadly so, 8-25 mm. long, 5-15 mm. wide, obtuse, deep green; flowers few, axillary, the bracts linear; achenes broadly ovate, black, lustrous, about 1.5 mm. long. Aug.-Oct. Honshu, Kyushu; rather rare. Siberia, N. China, and Korea. The typical phase occurs in warmer areas from Asia to Australia, Africa, and S. America.
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