Plants are collected from the wild. American Podophyllum has long-jointed branching rhizomes about 1 m long, which are dug up, cut into pieces about 10 cm long and dried. Indian Podophyllum bears little resemblance to the American one. Rhizomes occur in much contorted pieces of an earthy brown colour about 2–4 cm long, 1–2 cm in diameter. The rhizome is harder and difficult to break. Both plants are propagated by their creeping rhizomes.
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