Radial longitudinal section (RLS) of Viburnum wood showing inter-vessel pits and scalariform perforation plates. A V. wrightii (arrow indicates gradual vessel tail) B V. carlesii C V. burejaeticum D V. opulus f. hydrangeoides . Abbreviations: ppb, bars on perforation plate; ivp, inter-vessel pits. Scale bars: 20 µm.

 
 
  Part of: Ghimire B, Son DC, Park BK, Oh S-H (2020) Comparative wood anatomy of Korean Viburnum L. (Adoxaceae) and its taxonomic implication. PhytoKeys 156: 27-46. https://doi.org/10.3897/phytokeys.156.52031