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JPCS Vol(3) ● Oct-Dec 2011<br />

Kemka & Nwachukwu ● Species <strong>in</strong> <strong>the</strong> Genus Crassocephalum<br />

TABLE 2: STOMATAL CHARATERISTCIS OF THE CRASSOCEPHALUM SPECIES STUDIED<br />

Character<br />

Stomatal<br />

µm<br />

Co.ef. Stomatal Index<br />

type<br />

Stomatal Width <strong>of</strong> var (%)<br />

Species<br />

C. mannii<br />

Abaxial Surface<br />

Adaxial Surface<br />

C. biafrae<br />

Abaxial Surface<br />

Adaxial Surface<br />

Anomocytic<br />

Contiguous<br />

None<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

µm<br />

Stomatal<br />

Length<br />

24.64 ± 1.25<br />

-<br />

27.45 ± 0.40<br />

27.63 ± 1.36<br />

10.26 ± 0.54<br />

-<br />

24.82 ± 1.58<br />

13.77 ± 0.82<br />

1.32<br />

4.86<br />

-<br />

1.92<br />

3.95<br />

2.68<br />

-<br />

1.51<br />

1.45<br />

C. crepidioides<br />

Abaxial Surface<br />

Adaxial Surface<br />

Anomocytic<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

27.08 ± 1.20<br />

27.90 ± 1.29<br />

26.65 ± 1.29<br />

16.65 ±1.25<br />

4. 84<br />

4.50<br />

4.64<br />

7.50<br />

3.00<br />

1.87<br />

1.87<br />

C. montuosum<br />

Abaxial Surface<br />

Adaxial Surface<br />

C. vitell<strong>in</strong>um<br />

Abaxial Surface<br />

Adaxial Surface<br />

C. rubens<br />

Abaxial Surface<br />

Adaxial Surface<br />

C. sarcobasis<br />

Abaxial Surface<br />

Adaxial Surface<br />

C. togoense<br />

Abaxial Surface<br />

Adaxial Surface<br />

Anomocytic<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

Anomocytic<br />

Contiguous<br />

38.00 ± 1.90<br />

31.46 ± 1. 14<br />

31.86 ± 1.10<br />

27.63 ± 1.36<br />

27.16 ± 1.86<br />

25.72 ±1.68<br />

26.06 ±1.82<br />

20.65 ± 1.32<br />

29.13 ±1.20<br />

25.13 ± 1.76<br />

17.15 ± 1.31<br />

20.97 ± 1.50<br />

27.18 ± 4.39<br />

13.77 ± 0.82<br />

24.64 ± 1.47<br />

15.77 ± 0.76<br />

24.56 ±1.38<br />

14.64 ± 0.85<br />

27.63 ± 1.22<br />

17.86 ± 1.53<br />

4.24<br />

7.15<br />

3.45<br />

7.30<br />

3.45<br />

7.15<br />

4.92<br />

5.99<br />

2.86<br />

1.65<br />

5.92<br />

1.92<br />

5.86<br />

1.86<br />

4.92<br />

14.26<br />

9.07<br />

1.06<br />

1.15<br />

1.26<br />

3.37<br />

1.08<br />

2.68<br />

1.15<br />

3.70<br />

2.70<br />

Anomocytic<br />

Contiguous<br />

4.67<br />

7.88<br />

Anomocytic<br />

32

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