Fine structure of Photinia davidiana, encompassing various developmental stages and perspectives. A inflorescence branch B top view of a single flower C inflorescence branchlet D, G stamens E top view of an unopened flower F longitudinal section through the ovary H dissected flower showing internal structures I cross-section of the immature ovary J infructescence branch K infructescence branchlet L mature fruit M fruit, viewed from above N cross-sections of fruit O longitudinal section of fruit. The inflorescence branches (A–I) were collected on April 15, 2024, while the infructescence branches (J–O) were gathered on October 7, 2023. Yan-Li Wen was responsible for the collection of all fresh specimens at the Kunming Institute of Botany, Chinese Academy of Sciences (Yunnan, China). Furthermore, Bin-Jie Ge (Chenshan Botanical Garden, Shanghai, China) dissected and photographed all the samples.