Line drawings of Rungia fangdingiana sp. nov. A flowering branch B spike (abaxial view showing the sterile bracts) C spike (adaxial view showing the fertile bracts and corolla) D sterile bract E fertile bract F bracteole (abaxial view) G bracteole (adaxial view) H calyx I corolla J opened corolla K pistil L stigma M stamen (adaxial view) N stamen (abaxial view) O dehiscent capsule (showing the rising placenta and seeds) P seed. Drawn by Yun-Xiao Liu.