The skull-shaped Snapdragon Flower Dragon(Antirrhinum majus) seed pod. The Antirrhinum, commonly known as the snapdragon has been a popular garden plant for many years. Also known as the dragon flower, its common name derives from the resemblance of the flower to a dragon\u2019s head.Yet once the flower has died, leaving behind the seed pod, something a little more macabre appears. The dragon \u2013 just a visual metaphor after all \u2013 appears to have a skull.