Botanical name: Typhonium roxburghii
Common names: Dwarf Voodoo Lily, Black Flowered Dead Rat Lily
Family: Araceae
Origin: Tropical Asia
USDA Plant Hardiness Zone Map
Rare species of Amorphophallus ralative, Typhonium roxburghii bears quite large, spectacular deep mahogany-purple, almost black, spathes at ground level. For a flower of sombre shades, they are very conspicuous and attractive.
Similar plants: Typhonium roxburghii (Dwarf Voodoo Lily)
Link to this plant:
https://toptropicals.com/catalog/uid/typhonium_roxburghii.htm