In the vast and diverse tapestry of nature, there are instances where evolution crafts an artistry so intricate that it beguiles the human eye. The crotalaria cunninghamii, a legume native to the arid inland regions of northern Australia, is one such marvel. Known colloquially as the green birdflower or regal flowerbird, this perennial shrub is famed for its flowers, which bear an uncanny resemblance to the delicate form of a hummingbird. With petals that mimic the bird’s wings in mid-flight, this plant has sparked wonder and curiosity among both botanists and laymen alike.
The peculiar shape of the Crotalaria’s flowers is a result of its unique floral anatomy, common to the legume family. The large upper petal, known as the banner, along with the rest of the flower, creates a silhouette that mirrors a hummingbird. This phenomenon, known as simulacrum, plays tricks on our perception, akin to a trompe-l’oeil painting. Despite the absence of hummingbirds in Australia, the plant’s evolutionary path has led to this serendipitous mimicry, which continues to fascinate and puzzle the scientific community.
More info: Wikipedia.