4. Chocolate Cosmos
The chocolate cosmo likewise discovers its place among the rarest plants on the planet. It is local to Mexico and produces vibrant, ruddy darker hued blossoms. Like different flowers on this rundown, it is never again shown in nature. The last time the chocolate cosmo happened usually was more than 100 years prior. Natural aficionados started proliferating the plant in 1902. This bloom does not deliver seeds and should be engendered using tissue culture or root division. Today, it is appreciated as a decorative plant.