Stellate hairs of leaf blade abaxial midvein without long central rays. Inflorescences few flowered. Petals 5-7.5 mm. Filaments all toothless or inner ones 2-dentate. Fl. Jun, fr. Sep.

• 没有长的中心的射线背轴中脉的叶片的星状毛。花序很少花。花瓣5-7.；5毫米花丝全部具牙齿的无牙或内部的2。花期6月，果期9月