Megistostegium perrieri

Megistostegium perrieri is a plant in the family Malvaceae. It is endemic to Madagascar.
Description.
"Megistostegium perrieri" grows as a shrub up to tall. Its large leaves are orbicular to round in shape. They are coloured gray-green and measure up to long. The flowers are pendant with an epicalyx that matures to a deep maroon colour. The pollen is yellow when fresh.
Distribution and habitat.
"Megistostegium perrieri" is found only on the coastline of the Mahafaly Plateau of southern Madagascar, including in the Special Reserve at Cape Sainte Marie. Its habitat is in rocky areas from sea level to about altitude.
Threats.
Threats to "Megistostegium" in general include grazing by goats and invasive plants competing for limited water supplies. The pollinator of "M. perrieri" may be extinct. The preliminary conservation status of the species is Endangered.
Uses.
The leaves of "M. perrieri" are locally used to treat coughs. The branches are sometimes used for decorative purposes.