Monocots Vs Dicots-Difference
Difference between Monocotyledons (Monocots) and Dicotyledons (Dicots)
Differences between monocotyledonous and dicotyledonous species are given below.
|Seed structure||Basic terms related to seed structure are as follows:
Monocots and dicots differ for some of these.
|Have one cotyledon i.e. only one embryonic first leaf. This one cotyledon is thin, as endosperm to feed the germinating plant is not stored inside this cotyledon.||Have two cotyledons i.e. two leaves inside seed coat of a germinating seed. These two cotyledons are fat, as they serve as store house for the endosperm, to feed the germinating seed.|
|Leaves||Monocots have leaves with parallel primary veins (parallel vein network). Most of the times they have long and narrow leaves.||Dicots have leaves with distinct / branched vein network. Dicots posses’ variety when it comes to shape and size of leaves.|
|Stem and Vascular system||In monocots, vascular cambium is absent and vascular bundles are scattered. Because of this, monocots are not able to form annual rings of hardened tissue (wood), as a result of this they do not have woody, strong stems. Most of the times stems are unbranched.||In dicots, vascular cambium is present and vascular bundles are in ring. So mostly they have strong, woody and branched stems.|
|Roots||Monocots have fibrous / adventitious root system. Roots grow out from shoot tissue near the base. As the first root emerging from germinating seed dies, monocots fail to form central, strong tap root system.||Dicots have branching roots with a strong, thick tap root (tap root system).|
|Flower parts / Stamen / Pollen Grain||Monocots have flowers (flower parts) with multiples of three petals. Many of the times sepals and petals have same color, giving flower a six petal look. Often number of stamens equal to the number of petals. Monocots have pollen grains with one aperture (slit).||Dicots have flowers (flower parts) with multiples of four or five petals. They have pollen grains with three apertures (slits).|
|Fruits / Seedpod / Seeds||Monocots generally have large, fleshy seeds. Fruits or seedpods are generally comprised of three parts.||Dicots posses’ variety when it comes to size and shape of fruits / seedpods / seeds. Generally they have greater number of seeds per seedpod as compared to monocots.|
|Germination and Growth||Germinating monocot seed gives out single embryonic leaf i.e. cotyledon.||Germinating dicot seed gives out two embryonic leaves i.e. cotyledons.|
To know definition and examples of monocots and dicots visit the page Monocot – Dicot – Examples