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Morphology of materials. (A) Chrysanthemum morifolium “Zhongshanzigui,” (B) amphihaploid, (C) amphidoploid, and (D) Leucanthemum paludosum). From left to right of each line: plant morphology; floral morphology, bar: 1 cm; ligulate flower, bar: 2 mm; tubular flower, bar: 2 mm; leaf: 0.5 cm.
