Table 2: Comparative Maceration study of the roots of four Berberis species.

Macerated elements
(in m)
Berberis aristata Berberis asiatica Berberis chitria Berberis lycium
MeanSDMeanSDMeanSDMeanSD

Tracheids
 Length491.024±125.571658.613±253.672348.308±129.626282.836±4.598
 Width13.062±4.60013.749±6.48112.221±2.64512.603±0.231
Vessels
 Length259.720±158.670494.964±181.477160.405±187.958140.108±14.862
 Width25.590±18.19820.623±16.20319.859±11.53324.629±0.468
Fibres
 Length645.481±259.182522.462±246.290476.632±337.029517.879±2.217
 Width14.666±3.98611.457±3.24010.693±2.64510.884±0.258
Tracheidal fibres
 Length694.064±324.992714.949±181.477760.778±194.440368.931±15.691
 Width12.986±2.91611.457±3.24011.457±3.24012.218±0.250