A STUDY ON INDIVIDUAL ECOLOGY OF THE MEDICAL PLANT KNOXIA VALERIANOIDES Tissue culture and plantlet regeneration of Knoxia valerianoides Studies on callus induction and differentiation of Knoxia valerianoides PHOSPHATIDYLSERINE SYNTHASE1 is Required for Inflorescence Meristem and Organ Development in Arabidopsis Anthraquinones and triterpenoids from roots of Knoxia roxburghii Anthraquinones from the Roots of Knoxia valerianoides Ectopic Expression of the Pttkn1 Gene Induces Alterations in the Morphology of the Leaves and Flowers in Petunia hybrida Vilm. A new nor-triterpenoid from root tubers of Knoxia valerianoides Structure and Expression Analysis of KNOX Gene Family in Soybean