丰花草属（学名：Borreria）是茜草科下的一个属，为草本或矮小亚灌木植物。该属共有约150种，分布于热带或亚热带地区。

Spermacoce or false buttonweed is a genus of flowering plants in the Rubiaceae family. It comprises about 275 species found throughout the tropics and subtropics. Its highest diversity is found in the Americas, followed by Africa, Australia and Asia.