| Species |
Shape of long-cells between veins |
Short cells |
Place that stomata present |
Number of stomata under 20× microscopic ocular |
Length/width of stomata) |
Shape of subsidiary cells |
Place that papilleas present |
Shape of guard cells |
| C. amuricus Maxim. |
Long-tubular, simuous |
Absent |
Close to the leaf veins (2 or 3 rows of cells from the leaf veins) |
3 |
1.27 |
Dome-shaped |
Over the veins |
Both sides not obviously thicker |
| C. cuspidatus H.B.K. |
Long-tubular, simuous |
Absent |
Close to the leaf veins (2 or 3 rows of cells from the leaf veins) |
7 |
1.06 |
Dome-shaped |
Over the veins |
Both sides obviously thicker |
| C. rotundus L. |
Long-tubular, simuous |
Absent |
Close to the leaf veins (2 or 3 rows of cells from the leaf veins) |
4 |
1.33 |
Dome-shaped |
Over the veins |
Both sides obviously thicker |
| C. glomeratus L. |
Short-tubular to long-tubular, simuous |
Absent |
Close to the leaf veins (2 rows of cells from the leaf veins) |
5 |
1.56 |
Dome-shaped |
Over the veins |
Both sides not obviously thicker |
| C. iria L. |
Short-tubular to long-tubular, simuous |
Absent |
Close to the leaf veins (2 or 3 rows of cells from the leaf veins) |
2 |
1.06 |
Dome-shaped |
Over the veins |
Both sides not obviously thicker |
| C. compressus L. |
Short-tubular, rarely sub-terragonal, deeply simuous |
Absent |
Close to the leaf veins (2 rows of cells from the leaf veins) |
5 |
1.66 |
Dome-shaped to triangular |
Over the veins |
Both sides obviously thicker |
| C. difformis L. |
Short-tubular, rarely sub-terragonal, deeply simuous |
Absent |
Between the leaf veins (3 or 4 rows of cells from the leaf veins) |
7 |
0.99 |
Dome-shaped to triangular |
Over the veins |
Both sides obviously thicker |
