Original Research Published on 24 Jan 2018 Tree Species with Photosynthetic Stems Have Greater Nighttime Sap Flux in Functional Plant Ecology Xia ChenJianguo GaoPing ZhaoHeather R. McCarthyLiwei ZhuGuangyan NiLei Ouyang Frontiers in Plant Science doi 10.3389/fpls.2018.00030 12,068 views 17 citations