Table 1 Measurements (mean ± standard error) of O. lancea and O. japonica.
From: Rheophytic Osmunda lancea (Osmundaceae) exhibits large flexibility in the petiole
Trait | O. lancea | O. japonica | ||
|---|---|---|---|---|
Morphological measurements | ||||
Angle at base of pinnules (°) | 52.6 ± 2.13 | b | 165.3 ± 3.16 | a |
Width at widest part of pinnules (mm) | 8.0 ± 0.30 | b | 17.7 ± 0.99 | a |
Long/short diameter ratio | 1.1 ± 0.01 | a | 1.1 ± 0.01 | a |
Mechanical measurements | ||||
Bending strength σmax (N/mm2) | 34.9 ± 1.28 | a | 27.6 ± 2.19 | b |
Breaking strain εmax (%) | 7.7 ± 0.31 | a | 2.4 ± 0.20 | b |
Bending modulus of elasticity E (MPa) | 1621.7 ± 71.48 | a | 1836.0 ± 200.02 | a |
Anatomical measurements | ||||
Cell wall fraction per unit area | 0.5 ± 0.01 | b | 0.6 ± 0.01 | a |
Transverse cell area (µm2) | 127.5 ± 10.85 | a | 87.1 ± 4.11 | b |
Sclerenchyma length (µm) | 723.2 ± 21.84 | a | 550.1 ± 31.26 | b |
