Creates an instance of Setiform trichome.
Are setiform trichomes 'present', 'absent', or 'present or absent'?
If are absent, the length should be null.
absent
length
null
Are Setiform-barbellate trichomes present?
Are Setiform-glochidiate trichomes present?
Setiform trichomes length in milimeters (mm).
It should be null when present is false.
present
false
Orientation of trichomes.
Source.
Creates an instance of Setiform trichome.