A study on the flora of the seed vines in Central China region Effects of corn flour and lactic acid bacteria on quality of mixed silage made from sweet potato vines, distiller’s grains and rice straw Investiga tion on Vines Biodiversity of ShunhuangMounta inNa ture Reserve in Hu’nan Prov ince Chemical components of Piper hancei (Ⅰ) Photosynthetic characteristics of canopy-dwelling vines in lower subtropical evergreen broadleaved forest and response to environmental factors