STUDIES ON THE CHEMICAL CONSTITUENTS OF C0RYDALIS PALLIDA VAR SPEA0SE K0M. Cloning and Expression Profile of DREB2.2 Gene from Zoysia japonica var. pallida cv Jiaodong Aphyllorchis pallida, A New Record of Orchidaceae from China Induction of adventitious roots of Echinacea pallida and accumulation of caffeic acid derivatives Pharmacognostical studies on identificati on of Echinace apallida