Adenium obesum (Desert Rose)
Desert Rose — a succulent shrub from eastern Africa and Arabia. Milky sap is toxic; the swollen caudex forms sculptural bonsai-like shapes with age.
Origin and family
Adenium obesum (desert rose) is a succulent shrub or small tree of the dogbane family (Apocynaceae), native to eastern and southern Africa and the Arabian Peninsula. It grows in arid and semi-arid landscapes, often on rocky slopes.
Toxic sap and traditional use
Like many Apocynaceae, adenium produces a milky sap containing cardiac glycosides. The sap is toxic if ingested; in East Africa it was traditionally applied to arrow tips for hunting. Handle cuts carefully and wash hands after contact with broken tissue.
The caudex — a living sculpture
The swollen trunk base and roots form a water-storing caudex. Over years it develops striking sculptural shapes — gnarled, bulbous, reminiscent of a miniature ancient tree. Growers cultivate it as a living "desert bonsai," deliberately raising the caudex above the soil line to emphasise its form.
In the botanical garden
In our collection adenium illustrates desert-adaptation strategies and the diversity of form within a single species. It needs full sun, fast-draining soil and careful watering; overwatering causes rot. In the warm season it bears funnel-shaped flowers — typically pink or red, with a wide range of colour in cultivars.
This article is for informational purposes only.
Quick Answer
Adenium obesum is a succulent shrub from eastern Africa and Arabia (Apocynaceae). Its milky sap is toxic; the caudex forms bonsai-like shapes with age. Funnel-shaped flowers, usually pink or red.