Nurturing rare plants, now seldom found in the wild or glimpsed in gardens, is at the very cutting edge of conservation. Behind the scenes at Kew Gardens, a team of expert horticulturists dedicate their careers to learning how to cultivate these precious plants. You may also like Ten of the world's most poisonous plants The ban on Gunnera and what it means for gardeners How one man resurrected an extinct plant Could Himalayan poppies become extinct Trees at risk of extinction: six trees under threat Below is a list of ten of the most endangered plants in the world. The world's most endangered plants Angels’s trumpets (Brugmansia species) International Union for Conservation of Nature status Extinct in the Wild Brugmansia sanguinea in the Temperate House, RBG Kew © Kew The glorious large trumpet flowers of Brugmansia have ensured that it is a favourite plant in botanic gardens. The seven wild species of Brugmansia were native to South America but are all now only found in gardens.…