Curcuma zedoaria

Curcuma zedoaria (zedoary /ˈzɛdəʊərɪ/, white turmeric, or temu putih) is a perennial herb and member of the genus Curcuma, family Zingiberaceae. The plant is native to South Asia and Southeast Asia but is now naturalized in other places including the US state of Florida. Zedoary was one of the ancient food plants of the Austronesian peoples. They were spread during prehistoric times to the Pacific Islands and Madagascar during the Austronesian expansion (c. 3000 BCE). Its use as a spice in the West today is extremely rare, having been replaced by ginger, and to a lesser extent, yellow turmeric....read more on Wikipedia.