Creates an instance of filiform trichome.
Are filiform trichomes 'present', 'absent', or 'present or absent'?
If are absent, the length should be null.
absent
length
null
Density of filiform trichomes.
Filiform trichomes length in milimeters (mm).
It should be null when present is false.
present
false
Number of cells of filiform trichomes
Orientation of filiform trichomes.
Source.
Creates an instance of filiform trichome.