Apocynaceae

Adenium

Adenium

Genus of caudiciform succulents in the Apocynaceae family, native to arid and semi-arid regions of eastern Africa, southern Arabia, and the Horn of Africa. Popularly known as desert roses or impala lilies, they are distinguished by their showy tubular flowers in shades of pink, red, white, and bicolor, and by their swollen caudex that acts as a water reservoir. Widely cultivated as houseplants and bonsai worldwide.