Because rose grower David Austin took 15 years to produce the flower in England, it is the rarest rose in the world.
Due to its high temperature and humidity requirements for growth, the ghost orchid is considered one of the world's rarest flowers and is nearly impossible to produce outside of its natural habitat.
Although not a very rare flower, the fire lily, also called the flame lily, is rapidly becoming threatened in several nations.
Given that the Chocolate Cosmos has long since gone extinct in the wild, it is well-deserved to be included in the list of rare flowers in the world.
One of the rarest flowers in the world is the Kadupul Flower, a cactus blooming that blooms only seldom.
Because it only blooms once every few decades, the corpse flower is regarded as one of the rarest flowers in the world.
The jade vine is almost extinct due to deforestation, making it one of the world's most unusual blossoms.