黄细心属（学名：Boerhavia）是紫茉莉科下的一个属，为披散草本植物。该属共有40种以上，分布于热带和亚热带地区。

Boerhavia is a genus of over 100 species in the four o'clock flower family, Nyctaginaceae. Some species are annuals and others perennials. In habit they generally are herbaceous.

Common names include spiderlings and hogweeds. "Spiderling" refers to the appearance of those species that bear inflorescences on numerous long, slender stems, interlocking in a manner suggestive of a spider or spider's web.