What is meant by Syngenesious condition?
What is meant by Syngenesious condition?
Syngenesious condition is an arrangement of stamens where their anthers are fused while their filaments are free. The fused anthers form a circle around the gynoecium. It is seen in the Compositae or Asteraceae family.
What are Syngenesious stamens?
Syngenesious stamens are those stamens whose anthers are united into a tube and its filaments are free. Five epipetalous stamens arise from the base of the corolla; filaments are free but anthers are united.
What are called Syngenesious anther?
When the anthers remain united in the flowers then the stamen is called syngenesious. In the flowering plant of the Asteraceae family, the stamens exist unitedly i.e. stamens are syngenesious.
What is Syngenesious condition of androecium?
The syngenesious or synantherous condition of androecium is a feature of the family Asteraceae wherein, the anthers of the filaments are fused to form the tubular mass or group and their filaments remain free.
Is Hibiscus a monadelphous?
The androecium of Hibiscus is monadelphous as its filaments are merged in one bundle and anthers are free. The androecium of Helianthus is syngenesious as its five stamens are merged by their anthers. Thus, the correct answer is option B i.e., Hibiscus.
In which family is Epipetalous stamens found?
Epipetalous stamens are found in Solanaceae family. the red flower in the attached photo shows Campsis radicans / trumpet creeper. and the yellow flower belongs to primrose (Primula cultivar).
What is the difference between monadelphous and Diadelphous?
is that monadelphous is (botany) having all its stamens within a flower fused together at least partly by the filaments while diadelphous is (botany) having its stamens fused together at least partly by the filaments so that they form two separate bundles, or a bundle and a lone separate stamen.
What is Synandrous condition of stamen?
If the anthers, as well as the filaments of the stamen are united throughout their whole length, it is known as the synandrous condition of the flower. For example, Cucurbita. Thus, the correct answer is option B.
Are sunflowers Syngenesious?
In Family Asteraceae, anthers are syngenesious (synantherous) in which stamens are fused together at their edges by anthers only, forming a ring around the gynoecium. The filaments are free, e.g., sunflower.
Does PEA have Diadelphous stamens?
Note: Pea has a diadelphous androecium i.e. all the stamens unite to form two bundles.
What is the monadelphous condition?
Monadelphous condition arises when the filaments are fused or united to form a single bundle while the anthers remain free. Such monadelphous condition of androecium is seen in Hibiscus. Hence, the correct answer is ‘Hibiscus’
When to use a conditional waiver and release form?
Conditional Waiver and Release Upon Progress Payment Use this form when the claimant is required to sign a waiver and release in exchange for, or in order to, induce a progress payment, and the claimant has not yet been paid.
Is a conditional release legally binding?
In the case of a conditional release, the release is only binding if there is evidence of payment to the claimant. Evidence of payment may be demonstrated by: The claimant’s endorsement on a single check or a joint check that has been paid by the bank upon which it was drawn; or
When to sign a waiver and release upon progress payment?
Unconditional Waiver and Release Upon Progress Payment Use this form when the claimant is required to sign a waiver and release in exchange for, or in order to, induce a progress payment, and the claimant asserts in the waiver that he or she has received the progress payment. This release does not cover all items.
