Imagem de Mcvaughia

Descrição:

Figure 1. Wood anatomy of Mcvaughiasergipana. A–B transverse sections: Growth rings marked by radially narrow fibers (arrowheads) and a discontinuous line of axial parenchyma (in B); vessels are narrow and abundant, arranged in radial rows of 4 or more cells; some solitary vessels present; parenchyma rare, paratracheal scanty or at the growth ring limits; heartwood vessels in the bottom with content C radial section: Rays 2–3 cells wide, non-storied; prismatic crystals present in ray cells (arrows); parenchyma with 3 cells per strand (arrowhead) D ray heterocellular with procumbent, square and upright cells mixed throughout the ray. Scale bars: 150 μm (A), 100 μm (B–C), 60 μm (D).