![Euphorbia invenusta var. angusta](https://afroplants.net/400-large_default/monadenium-invenustum-var-angustum.jpg)
Formerly described as Monadenium invenustum var. angustum, it is a weird plant, with a main dark green stem longitudinaly striped with purplish grey, arising from a potato like caudex.
Typical inflorescence with fused glands which gave the genus its name.
Mutomo, Kitui County, Kenya.