... leaf tongue length 1 to 2 mm, into a hairy. Large panicle-shaped, apical, erect, sometimes slightly curved, 15 to ... white, shiny, not root is preferred. Microscopic identification: Root cross-section: epidermal cells from the long and short of cells, wavy ... , xylem native small metaxylem have two large ducts, small phloem cells, the central pith large, hollow. Application identification: Reed rhizome ...