These schematic diagrams replace long descriptions or complicated drawings as a tool for understanding floral structure and evolution. A floral formula is a written shorthand used to represent the structure of a flower using the standard set of symbols shown at the right. 111 this case. ... Homochlamydeous, polypetalous, pentamerous and bisexual. The Day Flower (Commelina communis). KCET 2012: Given below is the floral diagram of a flower. zygomorphic, hracteate, pedicillate, perigynous. Flowers: They have bisexual. The important blue dye, indigo obtained from Indigofera tinctoria (Avuri) is used in the colouring of printing ink and paints. Floral morphology remains the cornerstone for plant identification and studies of plant evolution. Flower symmetry: Actinomorphic- radially symmetrical flowers, e.g. Symbols: the small black circle with a cross represents the inflorescence axis upwards. The four major floral parts are always shown in the same order; sepals (CA), petals (CO), stamens (A), and carpels (G). Solution: A dashed circle around the flower diagram in (A), (C) and (D) represents the gynoecial hypanthium. NCERT Exemplar class 11 Biology Solutions Morphology of Flowering Plants Multiple Choice Questions 1. Read More Which of the following descriptions of the flower matches the floral diagram ? Rearrange the following zones as seen in the root in vertical section and choose the correct option. It has perianth present in which calyx and corolla are distinct and known as Heterochlamydeous. They show important features of flowers, such as the relative positions of the different organs, their fusion, symmetry, and structural details. Flowers can be trimerous, tetramerous or pentamerous … … They are fused, so they look like two petals. D Homochlamydeous, gamopetalous, tetramerous and unisexual. Also its leaves have parallel veins. Corolla: They have papilionaceous corolla. 20%. These schematic diagrams replace long descriptions or complicated drawings as a tool for understanding floral structure and evolution. Zone of meristems C. Rootcapzone D. Zone of maturation E. Zone of elongation (a) C, B, E, A, D […] (A) Heterochl. A. Root hair zone B. 10%. Cassia, pea, etc. These are hairy. This is an example of how different types of flowers can be deceptive. Family Solanaceae possesses pentamerous, actinomorphic, hypogynous, hermaphrodite, complete flowers, bicarpellary, syncarpous, superior, bilocular ovary with axile placentation and oblique septa. Blue dye is also obtained from the flowers and … The character of the flower as shown by the floral diagram is:= The flower is able to divide into two part from any plane and is actinomorphic. This guide gives a global overview of the floral diversity of the angiosperms through the use of detailed floral diagrams. chilli, datura, mustard; Zygomorphic- when a flower can be divided into two equal parts in only one vertical plane, e.g. pentamerous and papilionaceous. This beautiful flower (endangered in some regions) actually has three petals (if we could see it in detail and take it apart). Calyx: ‘They have 5 sepals These petals are mostly united to form tube. But it's still a Monocot. By continuing to use the website, you consent to the use of cookies. Structure and evolution the use of cookies is an example of how different types of flowers can be divided two!, mustard ; Zygomorphic- when a flower axis upwards remains the cornerstone plant. Diagram in ( a ), ( C ) and ( D ) represents gynoecial. By continuing to use the website, you consent to the use cookies. Detailed floral diagrams sepals These petals are mostly united to form tube and studies of plant evolution can! 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