Creates an instance of Porrect trichome.
Are porrect trichomes 'present', 'absent', or 'present or absent'?
If are absent, the length should be null.
absent
length
null
Are Porrect-dendritic trichomes present?
Density of porrect trichomes.
Porrect trichomes length in milimeters (mm).
It should be null when present is false.
present
false
Source.
Are Porrect-stellate trichomes present?
Creates an instance of Porrect trichome.