Pruinose Plant Surfaces

Surfaces of plant species studied are either very densely (most species) or rather sparsely (L. serriola, T. montanum, and V. vinifera) covered with wax crystals (Figure 7.2). In most species, the wax coverage is relatively uniform. However in L. serriola, crystals are arranged in starlike clusters (rosettes) (Figure 7.2L). In some species (B. oleracea and A. negundo), crystals form compact networks, where single crystals are hardly discerned (Figures 7.2D and 7.2H). Depending on the plant species, crystals vary in shape, size, and aspect ratio (Table 7.1).

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