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Microscopic analysis of the stem organ powder from C. latifolia plants. Arrows indicate microscopic fragments of leaf organs (magnification 400x). Trichomes (A), xylem vessels with helical thickening (B), fiber with crystal fiber (C), fragments of lignified xylem vessels with annular/spiral thickening (D), periderm (E), endosperm containing oil droplets (F), and aleurone grains containing acicular crystal of calcium oxalate (G). Note. Ox = oxalate crystals.
