Botanical name: Labourdonnaisia glauca
Common name: Bois de Natte à Grandes Feuilles
Family: Sapotaceae
Origin: Mauritius
Endemic to Mauritius and are found in the primary forests.
Leaves are rather coriaceous and large also very decorative. The upper surface of the leaf blade is green while the lower surface is of a silver grey color.
Link to this plant:
https://toptropicals.com/catalog/uid/labourdonnaisia_glauca.htm