difference between monocot and dicot root

Dicot root

Monocot root

The cortex area is narrow.

The cortex region is wide.

The epiblema, cortex and endodermis are peeled and replaced by cork.

There is no formation of cork and only the epiblema is peeled off.

Older dicot roots have a covering of cork.

Older monocot roots show a covering of exodermis.

The endodermis is less thick and the Casparian strips are prominent.

Endodermis cells are highly thick and the Casparian stripes are only visible in young roots.

Passage cells are absent in the endodermis.

Passage cells are present and they are thin-walled.

Percicycle produces cork cambium and lateral roots.

Pericycle only produces lateral roots.

The number of xylem and phloem bundles vary from 2-5 and sometimes up to 8.

The number of xylem and phloem cells range between 8-46.

Xylems vessels are angular

Xylem vessels are oval or rounded.

The conjunctive tissue is parenchymatous and it forms the cambium.

The conjunctive tissue can be parenchymatous or sclerenchymatous and conjunctive parenchyma does not form the cambium.

Secondary growth takes place to help cork and vascular cambium.

Secondary growth is absent.

Pith is reduced or absent and the reduced pith is very small.

Pith is well-developed.