Presence of crystals in Randia. A. Intracellular druse in Randia capitata (artificially coloured in yellow, from R. Medina 5703, MEXU). B–E. Randia tomatillo (from L. Gonzalez-Quintero 4534, MEXU). B. Bipyramidal prisms (artificially coloured in purple) and extracellular prism (arrow). C. Prisms in the adaxial epidermis (artificially coloured in purple). D. Bipyramidal aggregate prisms (curly brackets) and bipyramidal prism (arrow). E. Druse in palisade parenchyma. e = epidermis, pp = palisade parenchyma.

 
 
  Part of: Jiménez-Noriega MS, De la Rosa-Tilapa A, Torres-Montúfar A (2025) Calcium oxalate crystals in leaves of Randia (Gardenieae, Rubiaceae): environmental response or diagnostic character? Plant Ecology and Evolution 158(2): 205-213. https://doi.org/10.5091/plecevo.140133