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Anatomical details of Cannabis stem. (A) Stem of an adult plant (ca 2 months); (B) The stem can be peeled off and shows a lignified core and a cortex with bast fibers. (C) Longitudinal section of hemp stem stained with toluidine blue showing the cortex with a bundle of bast-fibers (white asterisk) and the core with xylem vessels (black asterisk).
