Middlemist - the rarest flower in the world. Throughout the world there are only 2 examples. British gardener John Middlemist, traveling in 1854 to China, was fascinated by the red rose, which he accidentally found. He dug a flower and brought him to Britain to put the greenhouse of the United Kingdom. He could not even suggest that because of this he saved the last instance of a flower in the world. In his honor and was named the red rose.