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Table 3 Tracheary elements and vessel member end wall length–width(s) of Thelypteris interrupta from different population

From: Vessel elements of two thelypteroid ferns-part I

HabitatPlant organProtoxylemMetaxylem
LengthWidthLengthWidth
RangeM ± sdRangeM ± sdRangeM ± sdRangeM ± sd
P1 Sw.ORoot0.668–1.461.29 ± 0.023*0.007–0.0160.012 ± 0.003**2.014–7.6025.780 ± 0.154*0.03–0.0760.056 ± 0.015**
Rhizome0.405–0.0690.564 ± 0.096*0.005–0.0280.017 ± 0.006**2.564–0.0122.564 ± 0.057**0.027–0.0690.048 ± 0.012**
Petiole0.742–1.4721.071 ± 0.023*0.008–0.0190.016 ± 0.003**4.325–7.1145.380 ± 0.101*0.023–0.0590.041 ± 0.012*
Frond0.436–1.400.885 ± 0.220.017–0.0290.021 ± 0.0033.80–6.254.51 ± 0.640.027–0.040.032 ± 0.004
P2 D. ORoot0.439–2.8661.48 ± 0.005**0.005–0.0220.011 ± 0.066*6.62–9.917.79 ± 0.113**0.024–0.0640.051 ± 0.095*
Rhizome0.28–0.710.59 ± 0.01**0.005–0.0190.013 ± 0.005*1.481–2.5422.33 ± 0.014*0.012–0.0380.019 ± 0.011*
Petiole0.513–2.1091.45 ± 0.058**0.005–0.0220.011 ± 0.006*4.560–8.8586.306 ± 0.131**0.025–0.0710.054 ± 0.013**
HabitatPlant organVessel elementVessel element Endplate
LengthWidthLengthWidth
RangeM ± sdRangeM ± sdRangeM ± sdRangeM ± sd
P1 Sw.ORoot1.590–6.1454.158 ± 0.102*0.021–0.0950.06 ± 0.025**212.15–442.26306.98 ± 75.56**20.01–39.3329.67 ± 7.25**
Rhizome1.284–1.7201.529 ± 0.18**0.041–0.1150.076 ± 0.02**197.3–461.77292.42 ± 58.63**28.04–54.0744.01 ± 11.06**
Petiole1.866–5.1973.006 ± 0.12**0.018–0.0650.032 ± 0.013*357.5–987.94640.08 ± 20.28**29.93–69.3145.83 ± 13.40*
Frond1.90–2.562.24 ± 0.180.019–0.0320.024 ± 0.004171.07–481.34328.55 ± 73.4115.88–28.0421.51 ± 3.12
P2 D. ORoot7.271–4.2095.131 ± 0.11**0.053–0.0310.045 ± 0.008*62.12–465.23101.01 ± 58.89*17.23–22.4619.22 ± 1.93*
Rhizome3.250–1.001.325 ± 0.015*0.064–0.0240.040 ± 0.012*103.3–348.26205.77 ± 70.88*5.45–15.4113.39 ± 3.39*
Petiole2.775–1.6392.363 ± 0.098*0.067–0.0520.057 ± 0.01**73.6–356.39175.7 ± 96.54*15.41–56.2146.70 ± 14.13**
  1. In each case range (min.–max.) and M (mean) ± SD value is given. Measurement unit of tracheary elements length–width is in millimetre and vessel end wall is in micrometre. Italic font with double superscript denotes longest tracheid length and italic font with single superscript denotes shortest tracheid length of the respective organ from the studied population
  2. P1Swo Population 1 swampy open land; P2DO population 2 of drier open