燈泡 Burger's onion ( Conophytum burgeri )

Conophytum burgeri ("Burger's onion") is a small, endangered, South African species of succulent plant, of the genus Conophytum.An onion-shaped, single-bodied, succulent plant, it is possibly the most unusual of all the species of the genus Conophytum. It has a tiny fissure at the top of its body. Its epidermis is smooth, shiny and translucent, and its colour is light green to purple. It is slow-growing and sometimes subdivides through a gradual process over several years, to form two or even three heads. It varies in size and can reach the size of a small onion.

It produces a purple flower, in early autumn (April–May in South Africa), with the aroma of honey. The flowers open briefly in the late afternoon, has over 5 sepals and a long stigma (over 10mm).