Number of epidermal

cells (mm²⁾

Cell width

(µm)

Cell wall thickness (µm)

STOMATA

S/n

Taxa

Number

(mm²)

Length

(µm)

width

( µm)

Index

(%)

Adaxial

Abaxial

Adaxial

Abaxial

Adaxial

Abaxial

Adaxial

Abaxial

Adaxial

Abaxial

Adaxial

Abaxial

Adaxial

Abaxial

1.

M. barombiensis

252 - 299

276 ± 23.5

180 - 200

189 ± 6.88

15.0 - 27.5

19.8 ± 1.23

10.0 - 25

16.0 ± 1.46

2.5 - 5.0

3.0 ± 0.37

2.5

2.5 ± 0.00

Absent

69.0 - 72.0

70.0 ± 1.00

Absent

12.5 - 15.0

13.8 ± 0.35

Absent

12.5 - 15.0

14.0 ± 0.37

Absent

27.1

2.

M. iodocarpa

208 - 292

260 ± 31.8

179 - 210

194 ± 10.2

15.0 - 27.5

20.3 ± 1.36

10.0 - 15.0

13.0 ± 0.65

2.5

2.5 ± 0.00

2.5

2.5 ± 0.00

Absent

93.0 - 114

96.0 ± 7.12

Absent

12.5 - 15.0

14.5 ± 0.37

Absent

12.5 - 15.0

14.0 ± 0.32

Absent

33.6

3.

M. coriacea

390 - 405

397 ± 4.94

188 - 240

218 ± 23.5

10.0 - 17.5

14.3 ± 0.72

10.0 - 17.5

12.8 ± 0.75

5.0

5.0 ± 0.00

2.5 - 5.0

3.5 ± 0.37

Absent

86.0 - 101

97.0 ± 5.42

Absent

15.0 - 17.5

16.0 ± 0.32

Absent

15.0 - 20.0

18.0 ± 0.65

Absent

30.4

4.

M. africana

262 - 280

272 ± 5.39

133 - 235

189 ± 38.0

12.5 - 20.0

16.8 ± 0.72

10.0 - 20.0

16.3 ± 1.32

2.5

2.5 ± 0.00

2.5

2.5 ± 0.00

Absent

80.0 - 89.0

86.0 ± 0.55

Absent

15.0 - 17.5

17.0 ± 0.37

Absent

15.0 - 20.0

16.5 ± 0.70

Absent

31.2

5.

M. malacocarpa

179 - 181

184 ± 4.13

N.A

15.0 - 25.0

20.0 ± 1.00

N.A

2.5 - 5.0

3.0 ± 0.37

N.A

Absent

95.0 - 130

107 ± 5.44

Absent

12.5 - 15.0

14.5 ± 0.37

Absent

12.5 - 15.0

14.0 ± 0.32

Absent

N.A

6.

M. oligoneura

735 - 788

761 ± 26.5

181 - 200

195 ± 7.93

10.0 - 15.0

13.3 ± 0.48

10.0 - 15.0

12.5 ± 0.63

2.5 - 5.0

3.0 ± 0.32

2.5 - 5.0

4.0 ± 0.23

Absent

131 - 139

135 ± 0.67

Absent

15.0

15.0 ± 0.00

Absent

12.5 - 15.0

14.0 ± 0.35

Absent

41.4