这种草叫播娘蒿，是十字花科，播娘蒿属一年生草本植物，叉状毛，茎生叶为多，茎直立，分枝多，末端裂片条形或长圆形，裂片下部叶具柄，上部叶无柄。花序伞房状，萼片直立，早落，长圆条形，花瓣黄色，长圆状倒卵形，长角果圆筒状，无毛，果瓣中脉明显；种子多数，长圆形。
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