Fig. 1From: Direct analysis in real-time (DART) time-of-flight mass spectrometry (TOFMS) of wood reveals distinct chemical signatures of two species of AfzeliaLight microscopy of Afzelia wood. Transverse sections showing xylem vessels, axial parenchyma and rays in A. pachyloba (a) and A. bipindensis (b) Longitudinal-tangential section of A. pachyloba wood showing rays and axial parenchyma (c) Longitudinal-radial section of A. bipindensis showing ray cells and fibers with pitted fiber walls (d) Bars: 500 µm (a, b, c); 100 µm (d)Back to article page