TY -JOUR AU -Zhengxu Ma AU -Dongli Quan AU -Yun-Hong Tan TI -Lysimachia longiracemosa (Primulaceae: Lysimachieae), a new frutescent herb from Yunnan, China PY -2026 DA -2026-01-04 JO -Taiwania VL -71 IS -1 SP -32 EP -36 UR -https://taiwania.ntu.edu.tw/abstract/2141 AB -Lysimachia longiracemosa, a new species of Primulaceae, is described from the margin of highland subtropical broad-leaved forests in southeastern Yunnan, China. Based on morphological evidence, the new species is placed in Lysimachia subgenus Idiophyton and diagnosed against its closest congener, L. nutantiflora. A revised key is also provided to distinguish L. longiracemosa from the related frutescent species with racemose inflorescences of the Lysimachia subgenus Idiophyton. DO -10.6165/tai.2026.71.32