Table 2 Overview of leaf and pollen morphological characters of Iris ruthenica and I. uniflora examined using light microscope.

From: Comparative analysis of two Korean irises (Iris ruthenica and I. uniflora, Iridaceae) based on plastome sequencing and micromorphology

Species

Leaf margin

Leaf epidermal stomata

Size and ratio of fertile pollen grains

Size and ratio of sterile pollen grains

O

Adaxial

Abaxial

P

E

P/E

P

E

P/E

I. ruthenica

JCKC190507

S

H

–

25.22 ± 2.57

53.71 ± 2.36

53.55 ± 2.63

1.00 ± 0.05

–

–

–

JC532

S

H

–

28.19 ± 1.54

52.13 ± 2.87

51.76 ± 3.20

1.00 ± 0.04

–

–

–

BKC939

S

H

–

24.63 ± 2.05

49.57 ± 4.24

49.32 ± 1.67

1.00 ± 0.07

–

–

–

I. uniflora

JCK2019-77

E

A

28.14 ± 1.34

27.77 ± 2.48

51.99 ± 3.75

49.90 ± 2.51

1.04 ± 0.05

52.54 ± 7.49

36.27 ± 6.33

1.49 ± 0.35

JCK2019-78

E

A

26.92 ± 1.66

27.02 ± 2.68

56.31 ± 4.10

50.62 ± 4.45

1.12 ± 0.12

47.61 ± 5.37

40.08 ± 4.99

1.19 ± 0.12

SA519

E

A

26.53 ± 2.40

27.19 ± 1.96

48.95 ± 3.46

51.66 ± 3.49

0.94 ± 0.03

47.54 ± 2.28

39.18 ± 4.66

1.22 ± 0.14

  1. Leaf margin: S, serrate; E, entire. Leaf epidermal stomata occurrence (O): A, amphistomatic; H, hypostomatic or absent or extremely rare. Size and ratio of pollen grains: P, polar diameter; E, equatorial diameter; P/E, polar diameter/equatorial diameter. All size measurements are in µm (mean ± standard deviation).
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