Floral Formula Symbols & Plant Description — NEET Biology
📚 Practice ConceptVarious morphological features are used to describe a flowering plant. The description has to be brief, in a simple and scientific language and presented in a proper sequence. The plant is described beginning with its habit, vegetative characters – roots, stem and leaves and then floral characters inflorescence and flower parts. After describing various parts of plant, a floral diagram and a floral formula are presented. The floral formula is represented by some symbols. In the floral formula, Br stands for bracteate K stands for calyx, C for corolla, P for perianth, A for androecium and G for Gynoecium, G for superior ovary and G for inferior ovary, ♂ for male, ♀ for female, ⚥ for bisexual plants, ⊕ for actinomorphic
Which of the above statements about the symbols used in a floral formula are correct? S1: The symbol '⊕' in a floral formula denotes a flower with actinomorphic symmetry, meaning it can be divided into two equal radial halves in any radial plane passing through the centre. S2: 'K' represents the calyx, while 'C' stands for the corolla. Fusion of floral parts is indicated by enclosing the figure within brackets, e.g., K(5). S3: 'A' refers to the androecium, and 'G' to the gynoecium. Adhesion between floral parts is shown by a line drawn above the symbols, e.g., C5A5. S4: The symbol '%' signifies a zygomorphic flower, which can be divided into two similar halves only in one particular vertical plane, as seen in mustard flowers. S5: The condition G indicates an inferior ovary, where the margin of the thalamus grows upward enclosing the ovary completely and fusing with it, with other flower parts arising above the ovary.
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