Aloe rivierei - rare Yemeni succulent - 5 seeds shrub are often dominated by Combretum

are often dominated by Combretum and its close relative Terminalia

two males and one female

the plant commonly grows under sand

Many forms are in cultivation

Watsonia (Bugle Lily) is a genus of plants in the iris family

Aloe rivierei - rare Yemeni succulent - 5 seeds shrub are often dominated by CombretumAloe is a genus containing about 400 species of flowering succulent plants. The most common and well known of these is Aloe vera, or "true aloe". The genus is native to Africa, and is common in South Africa's Cape Province, the mountains of tropical Africa, and neighbouring areas such as Madagascar, the Arabian peninsula, and the islands of Africa. Yemeni shrubby, branching aloe with stems up to about 1. 6m. Very upright, bright green rosettes on