· A typical flower is made up of the following parts;-
§ Peduncle –the flower stalk
§ Receptacle –bears the floral organs
§ Forms the hypanthium if elongated below the calyx
§ If below the ovary it is the gynophore or stalk of the ovary
§ Calyx –made up of sepals (to protect young flower bud)
§ Polysepalous if sepals are separate
§ Gamosepalous if sepals are fused
§ Corolla –made up of petals (often colourful)
§ Polypetalous if petals are separate
§ Gamopetalous if petals are fused
§ Perianth –formed from sepals and petals together
§ Stamen –male reproductive structures of the flower
§ Made up of anther and filaments (produce pollen grains)
§ Monadelphous if stamens are fused
§ Diadelphous if stamens are separate
§ Pollen –Grains containing the male gametes
§ Pistil–female part of the flower
§ Made up of stigma, style and ovary
§ Carpel –A unit of compound pistil or ovary
§ Ovule–bears the female gametes, located in the ovaries
§ Gynoecium –one or more pistils (carpel, ovary, ovules, female gametes)
§ Androecium –one or two whorls of stamens (filament, anther, pollen grains, male gametes)
References
Trees and Evans (15th Edition) Pharmacognosy, W. B. Saunders
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