... service Additional elucidation: 1) Extracted part: dried root2) Extract solvent: ethanol3) Extract medium: none4) Storage: Tightly sealed in a clean ... original rhizome, often have abscission cork, stiff and faint yellow section, upright stem, green & white in color, oblong ... leaves, no stalk, umbrella inflorescence, with dense terminal, yellow or yellowish green flowers, 6 to 7 month blooming period ...