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Aster tripolium flowers. (A) Aster tripolium subsp. pannonicus growing in September in a salt meadow named ‘Nagylapos’, in Törtel, Hungary (photograph by Professor Laszlo Erdei). (B) Inflorescences with increased amount of petals. (C) Flowering branch, kept for 6 d in double-distilled water after cutting. B and C were grown in 5 L plastic pots irrigated with 50 mm NaCl.
