Vibrant Sunflower in Artistic Bloom

An oil painting of a single sunflower at full bloom, centered, with bright yellow petals and a dark blue and green center, seen from above. The background is a dark green foliage of blurred leaves creating a textured, painterly effect, with hints of lighter green leaves emerging from the bottom right. The sunflower's outer petals are a vibrant, rich yellow, varying slightly in hue and saturation to create depth and movement. Each petal has soft shadows and highlights, giving them a three-dimensional appearance. The center of the sunflower is a captivating mosaic of colors, with the innermost part a deep, almost iridescent, blue, transitioning into shades of teal, emerald green, and earthy brown as it radiates outwards, creating a textured, almost fibrous pattern. The overall style is realistic yet stylized, with thick visible brushstrokes, conveying a sense of artistic rendition rather than a photographic image.