Four new records of Lysimachia in Primulaceae from Sichuan Province

Based on field investigation, specimen identification and literature review, four new record groups of the genus Lysimachia (Primulaceae) in Sichuan Province were found, including Lysimachia chapaensis Merrill, L. fordiana Oliver, L. glaucina Franchet and L. lichiangensis Forrest. The collection information of the type specimens, main identification characteristics, and the specific distribution locations of the four records species were briefly introduced. The voucher specimens were deposited in the Herbarium of Chengdu Institute of Biology (CDBI).