User:Kuldeep 1229/sandbox

FLOWER ♦Defination of flower: ·Flower is modified or condensed shoot meant for sexual reproduction in plants. ·Flower is characterstics of angiosperm plants. ·All vegetative parts of plant work from beginning to keep flower living. ♦Structure of a typical flower ·A well defined flower is characteristcis of Angiosperm plants. ·The flower usually develops as branch from a bud,growing in the axis of a small leaf like structure called Bract. ·A stalk,called pedicel support the flower and upper swollen part of pedical is called Receptacle or Thalamus (it bears all floral parts). ·Flower with stalk(pedicel) is called-Pedicillate. Flower without stalk is called- Sessile. ·A typical angiosperms flower consists of four differnt whorls: ·Outer two whorls are called Accessory or helping whorls. ·Inner two whorls are called essential or reproductive Whorls. <galleryLesson One Rose Flower Anatomy ·These whorls are as follows:- ♦Calyx ♦Corolla ♦Androecium ♦Gynoecium § Calyx:- ·It is outermost whorl of flower which is green in colour. ·Every member of this whorl is called Sepal. ·Sepal protect other inner part of flower. §Corolla:- ·It is the second outermost whorl of flower. ·Every member of this whorl is called Petal. ·Petals are colourful, shiny and usually odourous. ·In bud condition, petals covers reproductive part of the flower and protect them. §Androcieum:- ·This is the third whorl of flower which also known as male whorl. ·Every unit of androcieum is called is called Stamen. · Stamen is made up of three sub parts- (a) Filament (b)Connective (c) Anther