Botanical name: Siphonochilus sp.
Common names: Natal Ginger, Wild Ginger
Family: Zingiberaceae
Origin: Africa
USDA Plant Hardiness Zone Map
Siphonochilus is a genus of plants native to sub-Saharan Africa.
This genus usually goes dormant from November-May.
See Article about African gingers by John Banta.
Link to this plant:
https://toptropicals.com/catalog/uid/siphonochilus_sp.htm