Black Turmeric plant, Curcuma caecia, is also known as Black Zedoary and Kali Haldi. A rare and hard to find member of the Turmeric family. Named for the blue/black colour of the cut rhizome. This species has significant medicinal usage, but limited culinary use due to the bitter taste. Research on preparation before use is essential. Black Turmeric plant is native to north east India and prefers rich, moist soils in a protected, heavily shaded position. Drought and frost tender. A perennial plant, growing to 0.5m x 0.5m.