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Table 4 Comparison of tracheary elements length–width(s) of the two studied taxa (measurement unit mm)

From: Vessel elements of two thelypteroid ferns-part I

Plant partTracheary elementAmpelopteris proliferaThelypteris interrupta
Mean lengthMean widthMean lengthMean width
RootProtoxylem1.000.011.380.01
Metaxylem5.190.046.790.05
Vessel3.510.044.640.05
RhizomeProtoxylem0.560.010.580.02
Metaxylem1.90.022.450.03
Vessel1.750.041.430.06
PetioleProtoxylem0.820.021.260.01
Metaxylem4.290.045.840.05
Vessel4.770.042.620.03
  1. Taxa mean was calculated from population mean for each organ