Blue dahlia flower photographed against dark background with detailed petal structure

Digital photorealistic image of blue-toned dahlia displaying geometric petal arrangement. Technical rendering shows precise radial symmetry with concentric petal layers. Central reproductive structure demonstrates dark tonal contrast. Lighting technique employs directional illumination highlighting petal texture and linear striations. Color palette restricted to cool cyan and navy spectrum against black background. Compositional framing isolates specimen with partial foliage visible peripherally. Image demonstrates digital manipulation or specialized photographic processing techniques.