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How do you write a floral formula and a floral diagram?
It is sometimes found convenient to describe a flower by a simple and concise formula known as the floral formula. In this formula K represents calyx, C=corolla, P= perianth, A=androccium, G=Gynoecium. The number of members of a whorl is written after the symbol for a whorl, ∞ signifies a large and indefinite number.
How do you calculate floral formula?
A floral formula consists of five symbols indicating from left to right:
- Floral Symmetry.
- Number of Sepals.
- Number of Petals.
- Number of Stamens.
- Number of Carpels.
How is a floral diagram drawn?
The floral diagram is always drawn circular in outline. The different floral whorls are represented in concentric circles, the sepals on the outermost circle, then the petals, the stamens and carpels towards the inner side (Fig. 11.
What do you mean by floral diagram?
A floral diagram is a schematic cross-section through a young flower. It may be also defined as “projection of the flower perpendicular to its axis”. It usually shows the number of floral parts, their sizes, relative positions and fusion. ... It can be useful for flower identification or comparison between angiosperm taxa.
Is Fabaceae and Leguminosae same?
The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, is a large, economically and medicinally important family of flowering plants.
Is Fabaceae and papilionaceae same?
The family is also known as Fabaceae. It includes 600 genera and 1200 spices. It is regarded as the second largest family of dicotyledons. ... The 3 sub-families are considered as 3 separate families e.g. Papilionaceae, Caesalpiniaceae and Mimosaceae by many botanists.
Which of the following Cannot be shown in a floral formula but can be shown in a floral diagram?
Hence, the correct answer is 'Position of ovary'.
Which floral whorls are shown in Figure 1?
Gynoecium is shown in the figure(1).
What is the floral formula of chilli?
In this family, flower is actinomorphic, complete and bisexual; calyx has five sepals which are gamosepalous showing valvate aestivation; corolla has five petals which are polypetalous showing valvate aestivation; androecium has five free stamens (polyandrous) but epipetalous; gynoecium is bicarpellary, syncarpous, ...
Which character can be represented only in floral diagram?
The flower formula doesn't provide information about the fusion of the flower part. Only different types of fusion of flower parts are represented by the flower diagram.
Which of the following is correct with reference to flowers of family Solanaceae?
Which of the following is correct with reference to flowers of family solanaceae. Solution : Flower of family Solanaceae is bracteate or ebracteate, pedicellate, complete, hermaphrodite, actinomorphic, pentamerous, hypogynous.
Which of the following represents the floral characters of Liliaceae?
The floral characters of liliaceae are bisexual, actinomorphic, polyandrous, superior ovary, axile placentation.
Which of the following represents the floral characters of Allium Cepa?
So, the correct answer is 'Trimerous, actinomorphic, polyandrous, superior ovary, axile placentation'.
How will you distinguish Solanaceae members from Liliaceae members?
How will you distinguish Solanaceae members from Liliaceae members?...
Which is correct for gynoecium of Liliaceae?
In the members of family liliaceae the gynoecium is tricarpellary, syncarpour, trilocular with many ovules and superior ovary.
What type of Placentation is seen in sweet pea?
In sweetpea (Pisum sativum), the placentation is marginal, in which the placenta develops along the junction of two carpels, in a unilocular ovary. In basal placentation, the ovules are few or reduced to one and are borne at the base of ovary.
When a flower has both androecium and gynoecium it is known as?
Flowers that contain both an androecium and a gynoecium are called perfect, androgynous or hermaphrodites. There are two types of incomplete flowers: staminate flowers contain only an androecium, and carpellate flowers have only a gynoecium (Figure 2).
What is unisexual flower?
The flowers which contain only the male or female reproductive organs are called unisexual flowers. They are called incomplete flowers. To reproduce they undergo cross-pollination. They do not have both stamen and carpels. Examples: Papaya, White mulberry and Watermelon.
What is the other name of gynoecium?
A gynoecium (from Ancient Greek gyne, "woman") is the female reproductive parts of a flower. The male parts are called the androecium. Some flowers have both female and male parts, and some do not. Another key term is carpel.
Are pistil and carpel same?
Carpels are the basic units of the gynoecium and may be free (distinct) or fused (connate). The term pistil is used in a similar manner to carpel – in some situations the terms are equivalent in meaning but not in others. For example, a flower represented by G 1 has a single carpel or a single pistil.
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