What are Synandrous stamens?
Synandrous meaning Filters. (botany) Having stamen fused along both their filaments and anthers. adjective. 2. (botany, rare) Having stamens fused together in any way.
What is Synandrous condition of stamen?
If the anthers as well as the filaments of the stamens are united throughout their whole length, it is known as synandrous condition of the flower.
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.
What is difference between Syngenesious and Synandrous?
Syngenesious reproductive structure are those stamens whose anthers are united along into a tube and its filaments are free. Synandrous condition is that the fusion of each stamens or gametoecium thereupon of filaments of the flower.
What is Synandrous flower?
In a synandrous flower, the stamen is fused along both their filaments and anthers. In sunflower, the anthers are syngenesious, with the stamens fused together at their edges, forming a tube, and the filaments are free. Members of Cucurbitaceae have all anthers as well as filaments united to form one group.
Which of the following is an example of Synandrous condition?
Cucurbita is an example of synandrous condition.
What is Synandrous condition give an example?
In a synandrous flower, the stamen is fused along both their filaments and anthers. Members of Cucurbitaceae have all anthers as well as filaments united to form one group. Therefore, gourd is a plant whose flower exhibits synandrous condition. Thus, the correct answer is option B i.e., B. Gourd.
Which family is famous for Synandrous condition of stamens?
Cucurbitaceae shows affinities with Campanulaceae in synandrous condition of stamens, similar structure of calyx and corolla and also in the presence of bicollateral bundles.
When stamens are attached to the petals?
epiphyllous
When the stamen is attached or adnate to petals is called epiphyllous. The following condition is observed in Lily.In the flower, each anther consists of two lobes, which is connected with the help of connective and it is described as dithecous.
When stamens are superior The flower is?
If the sepals, petals and stamens, or their united bases (floral tube), arise from below the ovary it is superior. If the sepals, petals and stamens are free from each other the flower is hypogynous (compared with perigynous and epigynous.
What is monadelphous stamen?
– Monadelphous stamens are the condition of flowers in which all the filaments of the stamens are united into a single bundle to form a tube-like structure but anthers remain free. – The monadelphous androecium is seen in the family Malvaceae. Examples are Hibiscus Gossypium and Althea.
When anthers of all stamens are fused and filaments are free?
Hence, the correct option is (C), Syngenesious is the condition where the stamens are fused by their anthers and filaments are free. Note: The androecium in various species of plants forms a great variety of patterns, some of them are highly complex.