adjective Biology. having bilateral symmetry; divisible lengthwise into similar or symmetrical halves.

What is meant by term Zygomorphic?

of a flower. : having floral parts unequal in size or form so that the flower is capable of division into essentially symmetrical halves by only one longitudinal plane passing through the axis.

What is Zygomorphic plant?

Zygomorphic flowers have bilateral symmetry, meaning the petals can only be divided one way to form mirror images of each other. Zygomorphic symmetry can also be referred to as irregular symmetry, and is most common in flowers that have at least two differently sized petals. Classic examples include orchids.

Which is Zygomorphic flower?

When a flower can be divided by a single plane into two equal parts, it is zygomorphic, or bilaterally symmetrical, as in the snapdragon, orchid, and sweet pea.

What is Actinomorphic and Zygomorphic?

Flowers that have multiple lines of symmetry (like a starfish) are radially symmetrical, also called actinomorphic. Flowers with only a single line of symmetry (like you) are bilaterally symmetrical, also called zygomorphic.

Parts of a Flower - Getting to Know Plants (CBSE Grade 6 biology)

21 related questions found

What is Zygomorphic flower give example?

The flowers that can be divided into two equally separated mirror halves that are done on the same plane is called a zygomorphic flower. The examples of the zygomorphic flowers are orchids, the plants belong to the family Lamiales, the flowers belong to the family of fabaceae or the leguminosae.

What is Zygomorphic flower Class 11?

Zygomorphic flowers are those flowers which can be divided into two similar halves only by a single vertical plane. Example: pea and beans.

Is Chilli Zygomorphic?

No, chilli is not a zygomorphic flower.

Reason : ... Examples of zygomorphic flowers includes : Bean, Pea, Gulmohur. And examples of other actinomorphic flowers are : Mustard and Datura.

What is the symbol of Zygomorphic?

The position of the ovary is indicated by a line; this is below the number following G if the ovary is superior and above it if the ovary is inferior. The formula is preceded by the symbol ⊕ if the flower is actinomorphic and ·|· or ↑ if it is zygomorphic.

How do you spell Zygomorphic?

adjective Biology. having bilateral symmetry; divisible lengthwise into similar or symmetrical halves. Also zy·go·mor·phous [zahy-guh-mawr-fuhs, zig-uh-] /ˌzaɪ gəˈmɔr fəs, ˌzɪg ə-/ .

What is bilateral in biology?

Bilateral symmetry refers to organisms with body shapes that are mirror images along a midline called the sagittal plane. ... Bilaterally symmetrical animals have a dorsal side (top), a ventral side (bottom) and distinct left and right sides.

Is Mustard Zygomorphic?

Flowers of gulmohur have bilateral symmetry. So, they are called zygomorphic. Datura, mustard and tomato have actinomorphic flowers.

What is the definition of Apocarpous?

: having the carpels of the gynoecium separate the buttercup is apocarpous —opposed to syncarpous.

Is cassia a Zygomorphic?

Plants such as pea, bean, cassia, and gulmohar belong to Fabaceae. Therefore, four plants show a zygomorphic flower. ... Pea, cassia, gulmohar, and bean show zygomorphic flowers. Whereas plants such as datura, mustard, and chilli show actinomorphic flowers.

What is the difference between Racemose and Cymose inflorescence?

The main difference between racemose and cymose inflorescence is that the flowers are borne laterally and the main floral axis continues to grow in the racemose inflorescence, whereas in the cymose type, flowers are borne terminally on the floral axis and the main axis shows limited growth.

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 a superior ovary?

A superior ovary is an ovary attached to the receptacle above the attachment of other floral parts. A superior ovary is found in types of fleshy fruits such as true berries, drupes, etc. A flower with this arrangement is described as hypogynous.

What is a sterile stamen?

In botany, a staminode is an often rudimentary, sterile or abortive stamen, which means that it does not produce pollen. Staminodes are frequently inconspicuous and stamen-like, usually occurring at the inner whorl of the flower, but are also sometimes long enough to protrude from the corolla.

Is pea a Zygomorphic?

The pea possesses a conspicuous zygomorphic flower with an abundant mutant collection and provides an ideal experimental system to analyze the key regulators in control of floral symmetry.

Are petunias Zygomorphic?

The Petunia flower is zygomorphic in all floral whorls, which is partly due to the whorled or irregular arrangement of sepals and petals in the floral bud before it opens (Knapp, 2002b).

Why are flowers of cassia and Gulmohar called Zygomorphic?

The zygomorphic flower is those which are only divided into two half from one plane. It includes pea, Gulmohar, cassia, and beans. Mustard, datura, and chili are the actinomorphic flowers as they are divided into two half from any plane.

Is Gulmohar Zygomorphic flower?

Gulmohar belongs to the Fabaceae (Leguminosae) family of the order Fabales. It has a papilionaceous corolla with five petals. ... Therefore, Gulmohar is an example of a zygomorphic flower.

What is pedicel Class 11?

Hint: Pedicel is defined as a structure connecting a single flower to its inflorescence. Most of the flowers usually have a pedicel to connect them to stem or peduncle. ... Complete answer: A pedicel can be defined as a stem that attaches a single flower to the inflorescence. Such a flower is called a pedicellate flower.

Is brinjal a Zygomorphic?

(d) Zygomorphic- The flowers which can be divided into two similar halves by a single vertical plane only are known as zygomorphic flowers. ... A flower with this arrangement is described as hypogynous. Examples include brinjal and mustard.

What are Actinomorphic and Zygomorphic flowers give an example for each?

Actinomorphic flowers give two similar halves when bisected along any diameter. In contrast, zygomorphic flowers produce two mirror images when bisected in only one plane. ... Roses, lilies, and buttercups are examples of actinomorphic flowers while orchids are an example of zygomorphic flowers.