Ranunculus luanchuanensis sp. nov. in the wild (China, Henan, Luanchuan, Laojun Shan) A roots B portion of stem C leaves D flower with the sepals reflexed (lateral view) E flower with the sepals having fallen off (lateral view) F flower (top view) G sepal (left: abaxial side; right: adaxial side) H petal (left: adaxial side; right: abaxial side) I stamens J carpels K aggregate fruit L achenes M receptacle. Photographed by Wen-Qun Fei.