Skip to main content

Table 2 Leaf anatomical structure and stomatal characteristics of three Rhododendron species

From: How do leaf anatomies and photosynthesis of three Rhododendron species relate to their natural environments?

Parameters R. yunnanense R. irroratum R. delavayi
LT (μm) 262.42 ± 0.98a 247.47 ± 1.63b 243.98 ± 2.57b
CT (μm) 2.76 ± 0.12c 5.93 ± 0.11a 3.76 ± 0.10b
ETad (μm) 40.09 ± 0.46a 39.45 ± 0.32a 35.46 ± 0.46b
ETab (μm) 13.93 ± 0.33a 7.98 ± 0.11b 7.18 ± 0.14c
PT (μm) 91.53 ± 0.80a 84.31 ± 0.59b 91.35 ± 2.03a
ST (μm) 114.94 ± 1.03a 109.86 ± 1.50b 105.30 ± 1.83b
PT/ST 0.81 ± 0.01b 0.78 ± 0.01b 0.89 ± 0.03a
SD (mm2) 198.56 ± 4.20c 501.00 ± 11.17b 810.99 ± 15.32a
l (μm) 17.99 ± 0.32a 11.74 ± 0.15b 10.22 ± 0.18c
w (μm) 11.06 ± 0.20a 7.77 ± 0.12b 6.40 ± 0.15c
As (μm2) 620.44 ± 13.98a 345.26 ± 5.02b 243.17 ± 5.66c
At (%) 11.07 ± 0.28c 18.09 ± 0.33b 21.03 ± 0.50a
  1. Mean ± SE (n = 50) LT, leaf thickness; CT, cuticle thickness; ETad, adaxial epidermis cell thickness; ETab, abaxial epidermis cell thickness; PT, palisade tissue thickness; ST, spongy tissue thickness; PT/ST, ratio of palisade and spongy tissue; SD, stomatal density; L, stomatal length; W, stomatal width; As, stomatal apparatus area; At, total stomatal apparatus area percent. Different letters in the same row indicate statistical difference (p < 0.05).