DEFINITION

Hawthorn Leaf with Flower consists of the dried tips of the flower-bearing branches up to 7 cm in length of Crataegus monogyna Jacq. emend Lindman. or Crataegus laevigata (Poir.) DC., also known as Crataegus oxycantha Linné (Fam. Rosaceae). It contains NLT 0.6% of C-glycosylated flavones, expressed as vitexin (C₂₁H₂₀O₁₀), and NLT 0.45% of O-glycosylated flavones, expressed as hyperoside (C₂₁H₂₀O₁₂), calculated on the dried basis.