Figure 2

Lignification in an elongating internode of M. lutariorioparius. Lignification in three segments of an elongating internode (2nd from top) was shown by Phloroglucinol-HCl staining (red color). (A) upper internode (UI), (B) middle internode (MI), (C) basal internode (BI), (D,E and F) are enlarged view of a specified vascular bundle in (A,B and C) respectively. Bar = 100 μm.