संस्कृत नाम- कर्चूरः
Botanical name - Curcuma zedoaria
Description - Herbs with rhizomes bearing palmately branched sessile cylindric tubers. Leaves with long petiole, oblanceolate. Flowers yellow, in spikes; flowering bracts cymbiform, green tinged with red.
Chemical_Constituents- Rhizome contains sesquiterpenoids - curcumol, zederone, zedoarone, fyranodiene, cumolone, pyrocurzerenone, procurcumenol, curcumenone, curcumanolide A and curcumanolide B, curcumenol, guaiane zedoarondiol. Essential oil consists of curzerenone, furanodienone I, isofuranodienone II and epicurzerenone
Uses - Rhizomes are aromatic, cooling, diuretic, stimulant arid carminative. The rhizomes do not contain dye.