LM photographs of transverse sections of wood of Curarea: A small vessels, and broad rays (double arrow), C. aff. tomentocarpa (Ortiz & Vargas 197) B moderately large vessels, sclerotic pericyclic fibres (black arrow), strongly developed medullary sclerenchyma (white arrow) and sclerenchyma strongly intruding into the rays (two white asterisks), C. tecunarum (van der Werff & Vásquez 13909). Scale bar: 0.8 mm (A, B).