The clump of erect stems of Hoodia pilifera subsp. annulata stand erect in their arid habitat. The colouring is pale grey, the tubercles small, and the hairy spines growing from them remain on the stems when they dry out.
The seedpods of several hoodias (and some other succulents, like certain stapelias), resemble the horns of some small local antelopes that gave rise to the Afrikaans name bokhorings. Large tracts of land in South Africa (and even elsewhere, also in the USA) have been planted with Hoodia, especially H. gordonii, in anticipation of the appetite suppressant marketing opportunity that now seems uncertain).