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(A) Plants with strong rhizomes. Scale bar: 2 cm. (B) Rhizome and rhizome apical tips with sheath. Scale bar: 1 cm. (C-D) The vertical-section of the root apical tip. Scale bar: 160 and 40 μm. (E-F) The vertical-section of the rhizome apical tip. Scale bar: 160 and 40 μm.
