Identification of ferulic acid in herb Leonurus artemisia by TLC and HPLC EFFECTS OF STORAGE CONDITIONS ON GERMINATION RATE OF LEONURUS ARTEMISIA, PLATYCODON GRANDI- FLORUS AND ATRACTYLODES MACROCEPHALA SEEDS Regulation on Growth and Accumulation of Total Alkaloid in Leonurus artemisia (Lour.)S.Y.Hu by Various Microfertilizers SCoT analysis on genetic diversity among wild populations of Leonurus artemisia in Henan province