n.tropical American stingless nettle that discharges its pollen explosively
同义词：Pilea microphylla
英汉双解大词典
artillery plant
1.
N（名词）
any of various tropical urticaceous plants of the genus Pilea, such as P. microphylla, all having stamens that discharge their pollen explosively 冷水花属中的任何热带荨麻科植物