Morphology in flowering plants

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1. Plant morphology notes -1

3) Morphology in flowering plants part 3

4) Morphology in flowering plants part 4

  Flowering plants exhibit enormous variation in shape, size, structure, mode of nutrition, life span, habit & habitat. They have well developed root & shoot system. Root system is either tap root or fibrous. Generally, Dicotyledonous plants have tap root while Monocotyledonous plants have fibrous root. The roots in some plants get modified for storage of food, mechanical support and respiration. 

The shoot system is differentiated into stem, leaves, flowers and fruits. The morphological features of stems like the presence of nodes and interviews, multicellular hair and positively phototropic nature  help to differentiate the stems from roots. 

Stems also get modified to perform diverse function such as storage of food, vegetative propagation and protection under different conditions. Leaf is lateral outgrowth of stem developed exogeneously at the nodes. These are

              The flower is a modified shoot, meant for sexual reproduction. The flowers are arranged in different types of Inflorescence . They exhibit enormous variation in structure, symmetry, position of ovary in relation to  other parts, arrangement of petals,  sepals, ovules etc. After fertilisation, the ovary is modified into fruits and ovules into seeds. Seeds either may be monocotyledonous or dicotyledonous. They vary in shape, size and period of viability. The floral characteristics form the basis of classification and identification of flowering plants. This can be illustrated through semi-techical description of families. Hence,  a flowering plant is described in a definite sequence by using scientific terms. The floral features ate represented in the summarised form as floral bbdiagrams and Floral formula.

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