Histological Investigation on Floral Reversion of Impatiens balsamina L. Water use strategies of Malus toringoides and its accompanying plant species Berberis aemulans Histological Investigation on Floral Reversion of Impatiens balsamina L. A new dimeric lignan from Zanthoxylum simulans REVIEW OF RESEARCH ADVANCEMENTS ON SEED GERMINATION STIMULANTS OF ROOT PARASITIC PLANTS Isolation of a germination stimulant for striga hermonthicu (Del)Benth from root culture of Menispermum dauricum DC New Viewpoints on the Species of Xinyi and Mulan A new monoterpenoid glycoside from roots of Zanthoxylum simulans THE GROWTH OF LIQUORICE PLANTED BYNK SUPERABSORBENT AND SAND UNDER SIMULANT DROUGHT CONDITION