Fig. 2

Proposed cell lineages for xylem development. Schematics of proposed developmental cell lineages from vascular cambium to differentiating xylem of the four previous studies (shown as Tung et al. 2023 [6], Chen et al. 2021 [10], Li et al. 2021 [9], and Xie et al. 2022 [8]). Blue color represents vascular cambium. Brown and gray colors represent two distinct developmental lineages