Biotechnology and Bioinformatics Division;
Department of Plant Science Central University, Kasargod Kerala 671 123, India.;
Phytochemistry and Phytopharmacology Division Jawaharlal Nehru Tropical Botanic Garden and Research Institute Palode, Thiruvananthapuram, Kerala 695 562, India;
Alpinia; calcarata; Clonal; Propagation; Essential; Oil; GC-MS;