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What is Monocot Root? – Definition, Structure, Characteristics, Examples

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  • Last Updated : 13 Jul, 2022
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Those sows whose seed contains just a single cotyledon is known as monocot plant (or monocotyledon). In this instructional exercise, you will find out about the attributes and life systems of monocot roots.

Vascular heaps of monocot root are outspread in course of action. There are eight packages every one of xylem and phloem. Consequently, the condition is depicted as polyarch.
Xylem is depicted as an exarch in them. Essence is the deepest district of the root, addressing the focal pivot. It is made out of scarcely any approximately organized parenchyma cells. In monocot roots, simply under the epidermis framing the peripheral layer of the cortex is a layer of a couple of cells in width called the hypodermis. Since its cell walls are vigorously suberized and impermeable to water its obvious capability is to keep the water and supplements, which are caught up in the root zone further down the root from spilling out through the cortex.

Primary structure of monocot root

Monocot Root


  • Epiblema is single-layered, thin-walled, colorless, polygonal without intercellular spaces, with the presence of unicellular root hairs, hence also called piliferous layer or rhizodermis.
  • Cortex might be heterogeneous with outer dead exodermis.
  • Endodermis has barrel-shaped parenchyma without intercellular spaces. Casparian strips are little present but passage cells are absent.
  • Pericycle gives lateral roots only, secondary growth is absent.
  • Vascular bundles are radial; Xylem is an exarch, bundles more than six. Metaxylem elements are oval or circular.
  • Conjunctive tissues are limited or even absent.
  • Pith is large or rarely reduced.

Characteristics of Monocot root 

  • Presence of slight walled cells in the epiblema.
  • Nonattendance of fingernail skin and stomata.
  • Unicellular root hairs are present.
  • Presence of section cells and casparian thickenings in the endodermis.
  • Presence of parenchyma cells in the pericycle.
  • Conjunctive tissue are present
  • Presence of a particular substance.
  • Presence of spiral vascular packs with polyarch condition and exarch xylem.

Functions of monocot root

  • Ingestion of water and minerals
  • Giving a legitimate port to the plant parts
  • Putting away food material
  • Combination of plant development controllers.

Examples of monocot root 

 Pea, beans, peanuts, Maize, banana, palm.

Monocot root

Dicot root

The monocotyledonous undeveloped organisms have a solitary cotyledon. The dicotyledonous incipient organisms have a couple of cotyledons.
They have a sinewy root system They have a tap underground root growth.
Leaves in monocots have equal venation.  Leaves in dicots have reticulate or net venation.
In monocot blossoms, the count of parts of the bloom is a numerous of three or equivalent to three. The include of parts in a dicot blossom is a difference of four or five or equivalent to four or five 
The roots and stems of monocotyledons don’t have cambium and can’t increment in diameter. The roots and stems of dicotyledons have cambium and can increment in width.
A couple of instances of monocotyledons are garlic, onions, wheat, corn, and grass. A few instances of dicots are beans, cauliflower, apples and pear, and so forth.

Conceptual Question

Question 1: Which plants have monocot roots?


A:- Monocotyledon, by the name monocot, is one of the two extraordinary gatherings of blooming plants, or angiosperms, the other being the eudicotyledons (eudicots). There are around 60,000 types of monocots, including the most financially significant of all plant families, Poaceae (genuine grasses), and the biggest of all plant families, Orchidaceae (orchids). Other conspicuous monocot families incorporate Liliaceae (lilies), Arecaceae (palms), and Iridaceae (irises).  The greater part of them is recognized by the presence of only one seed leaf, or cotyledon, in the undeveloped organism contained in the seed. Eudicotyledons, conversely, normally have two cotyledons.

Inside these imperatives, the monocots show a large variety of construction and natural surroundings. They are cosmopolitan in their conveyance ashore. They additionally fill in lakes, lakes, and waterways, at times free-drifting however more frequently attached to the base. Some of them fill in the intertidal zone along the beach, and a couple is lowered marine plants attached to the base in genuinely shallow water along the shore.

Question 2: How do you tell if a plant is monocot or dicot ?


Blossoming plants are isolated into two gatherings – monocots and dicots. Perceiving which of these two bunches a plant has a place with is an extraordinary efficient device when you are out in the field attempting to recognize a plant utilizing a key. The names of these gatherings are gotten from the number of cotyledons or seed leaves that the undeveloped seedling has inside its seed. A monocot, which is a condensing for monocotyledon, will have just a single cotyledon furthermore, a dicot, or dicotyledon, will have two cotyledons. Nonetheless, this differentiation will not assist you when you are attempting to with figuring out which bunch a plant has a place with if it is at this point, not a seedling. Furthermore, at times doesn’t help on the off chance that you are taking a gander at a seedling, in light of the fact that many plants don’t bring their cotyledon(s) over the dirt surface when they grow as the seedling displayed to one side did. Leaves of dicots have veins that are stretched. In some cases, the veins branch out on one or the other side of the leaf from a center vein, in a game plan looking like a quill (pinnate game plan). Different dicots have veins that branch out from a solitary vein, such as, fingers on a hand (palmate plan). Monocots have veins that are lined up with each other. Nonetheless, this doesn’t imply that all monocots have tight grass-like leaves. Pointed stone (left) is a monocot.

Question 3: What are the functions of the monocot root?


  • Ingestion of water and minerals
  • Giving a legitimate port to the plant parts
  • Putting away food material
  • Combination of plant development controllers.

Question 4: What is absent in monocot root?


In monocot stem, epidermis, hypodermis, ground tissue, and vascular packs are available. The general cortex, endodermis, pericycle, medulla, and medullary are missing. In the phloem, phloem parenchyma is additionally missing. Xylem and phloem are available on the same radii, and furthermore present one next to the other, so they are likewise called Collateral and Conjoint vascular groups. In the vascular groups, cambium is missing among xylem and phloem, So these are shut vascular packs. In the xylem, the protoxylem is towards the middle, and the metaxylem is towards the outskirts. Thus, it is an endarch xylem.

Question 5: Why do monocots have fibrous roots?


The roots of monocots are fibrous and long so that they can absorb more amount of nutrients for maximum growth.

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