别名田基王、田基黄、黄花草、小对叶草。基源为金丝桃科植物地耳草Hypericum japonicum Thunb的全草。识别要点一年生矮小草本。茎直立,纤细,具四棱。单叶对生,无柄,多少报茎;叶片卵形或宽卵形,全缘。春夏开花,顶生聚伞花序;花黄色。蒴果宽卵状球形。 Alias ​​Tia-king, Tianji yellow, yellow flowers, small leaves of grass. The source for the Hypericum Hypericum japonicum Thunb grass. Identify the essentials little dwarf herbs. Stem erect, slender, with four edges. Leaves simple, sessile, ± styled; leaf blade ovate or broadly ovate, entire. Spring and summer flowering, terminal cymes; flowers yellow. Capsule wide ovate spherical.