豐花草屬（學名：Spermacoce）也稱紐扣草屬，是茜草科下的一個屬，為草本或矮小亞灌木植物。該屬共有約150種，分佈於熱帶或亞熱帶地區。[1]
屬名Spermacoce指種子被花萼包裹。
參考文獻
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