Stepelianthus of Madagascar

Andry Petignat surveys the species of the genus Stapelianthus – Madagascar endemics in the asclepiadoideae – that exhibit striking adaptations and unusual pollination strategies.

Andry Petignat surveys the species of the genus Stapelianthus – Madagascar endemics in the asclepiadoideae – that exhibit striking adaptations and unusual pollination strategies.

Andry Petignat tells us about the genus Uncarina (distinguished by their hooked seeds). These Madagascar natives in the Pedaliaceae often grow into pachycaul trees.

Considered as “The Cacti of the Old World," plants in the Didiereaceae family were thought to be restricted to Madagascar, where the species are characteristic elements of the spiny forests in the southern part of the country.