Table 4.
Comparison of tracheary elements length–width(s) of the two studied taxa (measurement unit mm)
| Plant part | Tracheary element | Ampelopteris prolifera | Thelypteris interrupta | ||
|---|---|---|---|---|---|
| Mean length | Mean width | Mean length | Mean width | ||
| Root | Protoxylem | 1.00 | 0.01 | 1.38 | 0.01 |
| Metaxylem | 5.19 | 0.04 | 6.79 | 0.05 | |
| Vessel | 3.51 | 0.04 | 4.64 | 0.05 | |
| Rhizome | Protoxylem | 0.56 | 0.01 | 0.58 | 0.02 |
| Metaxylem | 1.9 | 0.02 | 2.45 | 0.03 | |
| Vessel | 1.75 | 0.04 | 1.43 | 0.06 | |
| Petiole | Protoxylem | 0.82 | 0.02 | 1.26 | 0.01 |
| Metaxylem | 4.29 | 0.04 | 5.84 | 0.05 | |
| Vessel | 4.77 | 0.04 | 2.62 | 0.03 | |
Taxa mean was calculated from population mean for each organ