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请您注意观察:(一)花茎边缘青绿而无红色;(二)茎上部肥厚、呈红色,甚至从上部刺窝里生出的变态茎也呈深红色;(三)茎上部刺窝极小,中肋虽高起却不明湿:(四)
Please pay attention to observe: (A) the edge of the verdant verdure without red; (B) the upper part of the stem hypertrophy, red, and even from the top of the piercing stems produce abnormal dark red stem; (C) Although the rib is not clear from the high wet: (D)