1a flowerlike aggregate of crystals of a mineral occurring in arid areas.
2a succulent plant with pink, tubular flowers and a swollen, woody stem containing toxic, milky sap that is sometimes used for arrow poison. It is native to East Africa and Arabia.
Adenium obesum, family Apocynaceae
3 (also Sturt's desert rose) a dense shrub with pinkish-lilac flowers and black spotted leaves and fruit. Native to arid regions of Australia, it is the floral emblem of the Northern Territory of Australia.