Species | Shape | Base | Length (mm) | Width (mm) | Blade length (mm) | Base length (mm) | Surface | Hair length (mm) | Distance between trichomes (mm) | No. of trichomes in (1mm) |
V.amoena | Sagittate | Acute | 1 - 1.2 | 0.2 - 0.3 | 0.5 - 0.6 | 0.5 - 0.6 | Smooth | - | - | - |
V. angustifolia | Sagittate | Acute | 1.5 - 1.7 | 0.4 - 0.5 | 0.8 - 1 | 0.7 - 0.8 | Hairy | 0.16 - 0.4 | 0.08 - 0.1 | 12 - 16 |
V. bungei | Hastate | Acute | 2.5 - 2.7 | 1.5 - 1.8 | 0.3 - 0.4 | 2.2 - 2.4 | Smooth | - | - | - |
V. costata | Sagittate | Acute | 0.6 - 0.8 | 0.2 - 0.3 | 0.4 - 0.5 | 0.2 - 0.3 | Smooth | - | - | - |
V. hirsuta | Sagittate | Forked | 1.6 - 2 | 0.4 - 0.5 | 0.8 - 1 | 0.8 - 1 | Smooth | - | - | - |
V. japonica | Sagittate | Acute | 1.8 - 2 | 0.4 - 0.5 | 1 - 1.2 | 0.8 - 0.9 | Smooth | - | - | - |
V. sativa subsp. nigra | Sagittate | Acute | 2.1 - 2.4 | 0.2 - 0.3 | 1.3 - 1.4 | 0.8 - 1 | Hairy | 0.08 - 0.16 | 0.008 - 0.16 | 5 - 7 |
V. sativa subsp. sativa | Sagittate | Forked | 3.5 - 3.8 | 0.4 - 0.5 | 2.3 - 2.5 | 1.2 - 1.4 | Hairy | 0.16 - 0.28 | 0.12 - 0.36 | 7 - 9 |
V. tenuifolia | Sagittate | Acute | 1.5 - 1.8 | 0.2 - 0.3 | 1.2 - 1.4 | 0.3 - 0.4 | Smooth | - | - | - |
V. tetrasperma | Hastate | Acute | 1 - 1.2 | 0.2 - 0. | 0.8 - 1 | 0.2 - 0.3 | Smooth | - | - | - |
V. villosa subsp. dasycarpa | Hastate | Acute | 2 - 2.2 | 0.4 - 0.5 | 1.7 - 1.9 | 0.3 - 0.4 | Smooth | - | - | - |
V. villosa subsp. varia | Sagittate | Acute | 1.3 - 1.5 | 0.4 - 0.5 | 1 - 1.1 | 0.3 - 0.4 | Hairy | 0.16 - 0.2 | 0.1 - 1 | 3 - 4 |