SEM micrographs of pollen grains of Clerodendrum A–C C. longilimbum D–F C. speciosum G–I C. splendens J–L C. wallichii M–O C. indicum. Equatorial view: A, D, G, J, M; polar view: B, E, H, K, N; exine ornamentation: C, F, I, L, O. Scale bars: 10 μm (A, B, D, E, G, H, J, K, M, N); 3 μm (C, F, I, L, O).

 
 
  Part of: Huang X, Wu R, Xiong Z, Ma Z (2023) Pollen morphology of Clerodendrum L. (Lamiaceae) from China and its systematic implications. PhytoKeys 235: 53-68. https://doi.org/10.3897/phytokeys.235.111516