Morphological and Anatomical Characterization of Ecotype Needles of Cedrus atlantica in Morocco

Figure 2

Measured characters of the cross-section of C. atlantica needle. (a) The image indicating height of needle cross-section (Nh), width of vascular bundle including endodermis (Bw), and height of vascular bundle including endodermis (Bh). (b) The image indicating width of resin canal (Cw), height of resin canal (Ch), and distance between resin canal and vascular bundle (Dy). (c) The image indicating cuticle thickness (Ct), tangential dimension of the epidermal cell layer (Ew), radial dimension of the epidermal cell layer (Eh), radial dimension of the hypodermal cell (Hh), tangential dimension of the hypodermal cell (Hw), and thickness of wall of hypodermis cell (Ht). (d) The image indicating radial dimension of the endodermal cell layer (Ce).

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