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. 2023 Aug 15;26(9):107644. doi: 10.1016/j.isci.2023.107644

Figure 7.

Figure 7

Photomicrographs of thin sections of fossil wood specimen PPP-G-36 from Menguere Hill, Entandrophragmoxylon sp. (Meliaceae, African Mahogany)

(A) Transverse section showing large mostly solitary vessels, vasicentric to aliform parenchyma, and wide rays with dark contents.

(B) Radial longitudinal section with a vertical column of axial parenchyma cells, and horizontal radial parenchyma cells that are procumbent.

(C) Tangential longitudinal section with vertical columns of axial parenchyma cells and lens-shaped outline of rays with circular parenchyma cells. Letters: V = vessel; R = ray; P = axial parenchyma. Scale bars: A = 1cm; B, C = 500 μm.