What is the inflorescence of sunflower?
– The inflorescence of sunflower is a capitulum, consisting of numerous florets arranged in a spiral pattern. The outer whorl of the florets is zygomorphic, ligulate and incomplete (ray florets), while the inner florets (disc florets) are actinomorphic, ligulate and complete (Fig. 1a).
What is the family of sunflower?
Daisy familySunflowers / Family
The cultivated sunflower (Helianthus annus L.) is a plant of the family Asteraceae (Compositae).
Is sunflower a flower or inflorescence?
They are bisexual and actinomorphic. The above features show that sunflower is not a flower but an inflorescence.
Is sunflower in the daisy family?
Plants in the Asteraceae family include: lettuce, daisies, sunflowers, chrysanthemums, asters, dandelions, goldenrod, coneflowers, thistles, artichokes, sunflowers, dahlias, marigolds, zinnias, asters, chamomile, chicory, sage, tarragon, ragweed, thistle, sagebrush, and yarrow.
What are types of inflorescence?
Types of Inflorescence
- Racemose Inflorescence. In this type of inflorescence, the flowers branch laterally on the floral axis.
- Cymose Inflorescence. In this type of inflorescence, the flower is the terminating point of each floral axis.
- Compound Inflorescence.
- Cyathium.
- Verticillaster.
- Hypanthodium.
- Hypogynous.
- Perigynous.
Which is the characteristic inflorescence in the family?
So, the correct answer is ‘Capitulum’.
Are sunflowers in the aster family?
Daisy family
Compositae
Aster/Family
What are the different types of inflorescence?
What is inflorescence type?
The inflorescence is defined as the arrangement of a cluster of flowers on a floral axis. The inflorescence is of two types, they are: Racemose and Cymose.
What is an inflorescence on a plant?
inflorescence, in a flowering plant, a cluster of flowers on a branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a main axis (peduncle) and by the timing of its flowering (determinate and indeterminate).
Are dandelions in the sunflower family?
Dandelion (Taraxacum officinale ) is a common meadow herb of the Asteraceae or sunflower family.
What are five examples of inflorescence?
It is of the following types:
- Typical Raceme: An un-branched elongated peduncle bears stalked or pedicellate flowers in an acropetal fashion, e.g., Larkspur (Delphinium, Fig.
- Corymb:
- Corymbose Raceme (Fig.
- Umbel (Fig.
- Spike (Fig.
- Spikelet (Fig.
- Catkin (Amentum, Fig.
- Spadix (Fig.
What is inflorescence give example?
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed on the axis of a plant.
Which family has racemose inflorescence?
A family delimited by type of inflorescence is asteraceae. Asteraceae possess head or capitulum inflorescence, which is racemose and is surrounded by an involucre of bracts.
What flowers are related to sunflowers?
Familiar common names, such as daisies, marigolds, zinnias, gazanias, chrysanthemums, dandelions, thistles, ragweeds, sagebrush, cosmos and dahlias all belong to this family.
What family is Safflower?
Daisy familySafflower / Family
What flowers are inflorescence?
Inflorescences are clusters of flowers on a branch or a system of branches. They are categorized generally… A cyme is a flat-topped inflorescence in which the central flowers open first, followed by the peripheral flowers, as in the onion (genus Allium).
How sunflower is an example of head inflorescence explain?
An inflorescence is the cluster of the flowers arranged on a stem that is composed of the main branch or a complicated arrangement of branches. Sunflower is an annual plant of the family Asteraceae with a large head called capitulum, which is the characteristic inflorescence of sunflower.
In which plant is cymose inflorescence?
Cymose inflorescence is present in plants like Solanum nigrum, Drosera, Begonia, Ranunculus, Jasmine, Calotropis, etc.
What is the inflorescence of Liliaceae?
Liliaceae is a family of monocotyledonous plants. Inflorescence of plants in the Liliaceae family is an umbel as in onion or solitary cyme. Further reading: Racemose Inflorescence.
Is a sunflower a perfect or imperfect flower?
Sunflowers are a type of flowering plant, or angiosperm. Angiosperms have reproductive structures contained within their flowers. Perfect flowers contain both male and female structures called stamens and carpels, while imperfect flowers contain one or the other. Sunflowers are example of perfect flowers.
How is a sunflower a perfect flower?
‘ Sunrich Gold ’: A great flower for bouquets and arrangements, this sunflower grows to be about 5 feet tall and produces a single 4- to 6-inch flower. The big, no-mess, pollenless flowers have rich, golden-yellow rays and green-yellow centers. ‘ Teddy Bear ’: Just 2 to 3 feet tall, this small sunflower is perfect for small gardens and containers.
What are the differences between flower and inflorescence?
– Inflorescence is the reproductive shoot, bearing a number of flowers. – It may be terminal or axillary in position. – It is of two types; viz. racemose and cymose. – Besides, there is also a special type of inflorescence which fits into none of these groups.
What flower looks like a sunflower?
Black-Eyed Susans. Rudbeckia hirta,or black-eyed susan.