What is the floral formula of Fabaceae?

What is the floral formula of Fabaceae?

In Fabaceae, the floral characters show the corolla with five petals, polypetalous, papilionaceous and vexillary aestivation. The flower is complete, bisexual, zygomorphic, hypogynous and bracteate types. Sepals are five which are gamosepalous, with valvate or imbricate aestivation.

How do you draw a floral diagram?

Make the floral diagram in the following sequential stages:

  1. A very small circle is drawn above the floral diagram. ...
  2. In bracteate flowers, a section of bract is drawn below the floral diagram. ...
  3. In bracteolate flowers, bracteoles are drawn in section on the left and right sides of the diagram.

How do you write a floral diagram and formula?

A floral formula consists of five symbols indicating from left to right:

  1. Floral Symmetry.
  2. Number of Sepals.
  3. Number of Petals.
  4. Number of Stamens.
  5. Number of Carpels.

Which sign is used in floral formula?

A conventional method for recording the structure of a flower. It uses a series of capital letters to identify parts: K = calyx; C = corolla; A = androecium; G = gynoecium. The number of components in each is indicated by a number; if the number exceeds 12, the symbol ∞ (infinity) is used.

What is a floral formula?

Floral formula is a means to represent the structure of a flower using numbers, letters and various symbols, presenting substantial information about the flower in a compact form. It can represent particular species, or can be generalized to characterize higher taxa, usually giving ranges of organ numbers.

What is EBr in floral formula?

The floral formula Br or EBr ⊕O+K(5)C(5)A0−G(3) Belongs to family Cucurbitaceae because it represents inferior ovary, tricarpellary, syncarpus and stamens absent, female flower.

What are floral structures?

Flowers contain the plant's reproductive structures. A typical flower has four main parts—or whorls—known as the calyx, corolla, androecium, and gynoecium (Figure 1). ... Together, the calyx and corolla are known as the perianth. The third whorl contains the male reproductive structures and is known as the androecium.

What is the classification of Rose?


Is a Rose an inflorescence?

Inflorescence: Racemose or mostly cymose, some are solitary. Flower: Pedicillate; bractcate: actinomorphic; Regular; complete; hermaphrodite; perigynous. sometimes epigenous. Corolla: 5 or multiple of 5 petals; free; imbricate.

What is the difference between a flower and an inflorescence?

The main difference between flower inflorescence is that flower is a modified shoot, which serves as the reproductive organ of flowering plants whereas inflorescence is a group of flowers arranged on a floral axis. Flower and inflorescence are two structures produced by the sexual reproduction of flowering plants.

How many female flowers occur in a Cyathium?

one female flower

What is inflorescence and its types Class 11?

The inflorescence A flower is a modified shoot wherein the shoot apical meristem changes to floral meristem. The arrangement of flowers on thefloral axis is termed as inflorescence. ... In cymose type of inflorescence, the main axis terminates in a flower; the flowers are borne in a basipetal order.

What is Actinomorphic flower?

Most flowers are actinomorphic ("star shaped", "radial"), meaning they can be divided into 3 or more identical sectors which are related to each other by rotation about the centre of the flower. ... Actinomorphic flowers are also called radially symmetrical or regular flowers.

What is Staminode Class 11?

Androecium is composed of Each stamen which represents the male reproductive organ consists of a stalk or a filament and an anther. ... A sterile stamen is called staminode. When stamens are attached to the petals, they are epipetalous. Example- brinjal. When attached to the perianth, they are called epipellaous.

What is perianth Class 11?

Answer: When the petals of the corolla and the sepals of the calyx cannot be differentiated, the part of the flower is termed as perianth. This is the part consisting of the calyx (sepals) and the corolla (petals). It is the non-reproductive part of the flower. This structure forms an envelope surrounding the sexual.

What is called perianth?

The perianth (perigonium, perigon or perigone in monocots) is the non-reproductive part of the flower, and structure that forms an envelope surrounding the sexual organs, consisting of the calyx (sepals) and the corolla (petals) or tepals when called a perigone.

What is the other name of carpel?

The term pistil is sometimes used to refer to a single carpel or to several carpels fused together. See more at flower.

Is carpel and ovary the same?

What is carpel? The carpel is the fourth whorl of the flower present in the centre. It mainly comprises the style, stigma and ovary- the female parts of a flower. A single flower can have one or more carpels.

What is the other name of carpel of flower?


What is the function of anther in a flower?

Parts of a flower
StamensThe male parts of the flower (each consists of an anther held up on a filament)
AnthersProduce male sex cells (pollen grains)
StigmaThe top of the female part of the flower which collects pollen grains
OvaryProduces the female sex cells (contained in the ovules)

What are the flower parts?

The four main parts of a flower are the petals, sepals, stamen, and carpel (sometimes known as a pistil). If a flower has all four of these key parts, it is considered to be a complete flower. If any one of these elements is missing, it is an incomplete flower.

What are the 10 parts of a flower?

Parts of a Flower

  • Peduncle: This is the stalk of the flower.
  • Receptacle: It is that part of the flower to which the stalk is attached to. ...
  • Sepals: These are the small, leaf-like parts growing at the base of the petals. ...
  • Petals: This layer lies just above the sepal layer. ...
  • Stamens: These are the male parts of a flower.

What do all flowers have in common?

Flowers come in many different shapes, sizes, and colors. However, most have a similar basic structure. Most flowers have male parts, called stamens, and female parts, called carpels. The stamens produce fine, dustlike grains, called pollen, and the carpels produce ovules.