Author name: HAMID ACADEMY

Parenchyma cells | Definition, Structure, Types, Functions

Parenchyma cells | Definition, Structure, Types, Functions

Parenchyma cells Parenchyma is a simple permanent tissue that makes a major part of ground tissues in flowers, in which other tissues like vascular tissues are embedded. Parenchyma is non-vascular and composed of simple, living, and undifferentiated cells, which can be changed to carry out many functions. The various features of parenchyma are: It is …

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Permanent Tissues | Types of Permanent Tissues

Permanent Tissues | Types of Permanent Tissues

Permanent Tissues The tissues which might be completely grown and feature the misplaced potential for division are referred to as permanent tissues. The meristematic tissues divide and differentiate to shape the permanent tissues. Till now, we have studied that the cells of primary and secondary meristems undergo division and differentiation to produce primary and secondary …

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Root Apex – Korper Kappe Theory, Quiescent Centre Theory

Root Apex – Korper Kappe Theory, Quiescent Centre Theory Regarding the organisation of root apex, following theories have been put forward. 1. Korper-Kappe Theory It was proposed by Schuepp (1917). This theory is comparable with the tunica and corpus theory of shoot apex because it is also based upon plane of division. Korper means body …

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Organisation of shoot apex according to Histogen theory

Shoot Apex Theories & Organisation of Shoot Apex

Shoot Apex Theories & Organisation of Shoot Apex Many theories have been given to explain shoot apex organisation, such as Apical theory Histogen Theory Tunica-Corpus theory (1) Apical Cell Theory It was proposed by Hofmeister and Nageli. According to this theory, a single apical cell leads to the development of entire plant body. This theory …

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Location of meristematic tissues in L.S. of A at a-a

Meristematic Tissue | Definition, Characteristics, Types & Examples

Meristematic Tissue | Definition, Characteristics, Types & Examples Meristematic tissue is the plant tissue that has the capability to divide actively throughout its life. A meristematic tissue is a group of immature cells that are preparing to divide or are in continuous state of division. The basic function of these tissues is to contribute in …

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Floral Formula of some Important Families

Floral Formula of some Important Families

Floral Formula of some Important Families This includes major distinguishing features and important plants of the family with floral diagram and floral formula. Fabaceae It is distributed all over the world. This family was earlier called papilionoideae, a sub-family of family leguminosae. Vegetative Characters Habit : Trees, shrubs, herbs, climbers. Root : Tap root system, …

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Floral Formula : Definitions, Components and Examples

Floral Formula : Definitions, Components and Examples

SEMI-TECHNICAL DESCRIPTION OF A TYPICAL FLOWERING PLANT Different characteristics of a family are the diagnostic features which enable us to differentiate them. These diagnostic features are mainly based on floral characters like sexuality of flowers, symmetry of flowers, position of ovary with respect to floral whorls, bracts, and conditions of calyx, corolla, androecium and gynoecium. …

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