Draw the various types of aestivation possible for a typical pentamerous flower. Pyrus, Crataegus, Cotoneastor etc. Answer: Question 41. The different types of aestivation are: Here two petals are innermost, two petals are outermost and one is alternate. Flowers are pentamerous with 10 – α stamens, 5 carpels which may be free as in Spiraea or fused as in Lindleya. answer comment .. 1 Answer. flower 23. A flower is asymmetric (irregular) if it cannot be divided into two similar halves by any vertical plane passing through the centre. Flowers pentamerous with 20 or more stamens; carpels 4 or 5 syncarpous and also fused with the inner wall of the cup like thalamus e.g. Family Solanaceae possesses pentamerous, actinomorphic, hypogynous, hermaphrodite, complete flowers, bicarpellary, syncarpous, superior, bilocular ovary with axile placentation and oblique septa. Calyx: Sepals green or coloured, typically 5 sepals, gamosepalous, persistent and show valvate aestivation. The flower is pentamerous and hypogynous. Flower: Bracteate or ebracteolate, actinomorphic and generally hermaphrodite. Inflorescence: Flowers are solitary or grouped having axillary or cymose inflorescence. When the two floral whorls calyx and corolla are five or multiples of it in number such a flower is known as pentamerous flower. In the sub-family Pomoideae the thalamus is a deep cup. Draw the various types of aestivation possible for a typical pentamerous flower. Flower pentamerous, usually male or female, unisexual, regular cuplike axis; stamens 5 free, at the edge of axis, or each 2 united, or all 5 in a central synandrium; gynoecium tricarpellary; syncarpous, trilocular, with indefinite ovules and usually forked stigmas; fruit-berry-like pepo. flowers. The mode of arrangements of sepals or petals in a floral bud is known as aestivation. Example of tetramerous flower includes Crucifer, members of Brassicaceae; Example of pentamerous flower includes members of Solanaceae ; Learn more about tetramerous and pentamerous flower: Give examples of tetramerous and pentamerous flower: brainly.in/question/4425846 The mode of arrangements of sepals or petals in a floral bud is known as aestivation. Here the posterior petal is Fabaceae largest and outermost. What is a pentamerous flower? 0 votes . Q4. Aestivation: Vexillary: It is rare and found in pentamerous flower only. Ans: The mode of arrangement of sepals or petals in floral bud with respect to the other members of the same whorl is known as aestivation. The arrangement of accessory whorls (calyx, corolla) in relation to one another in the floral bud is called as aestivation. Example- pea. Order. Give the technical term and examples of the flowers given here based on the position of the ovary. asked in Flowers, Fruits and Seeds by Lifeeasy Biology. 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