the staminate also known as the androecium is composed of the organs of the male reproductive system (flower). these are the anther and filament.
the pistillate on the other hand (gynoecium) is composed of the organs of the female reproductive system. these are the pistil, style and ovary.
Staminate plants (male reproductive structures) cannot produce seeds because they lack the necessary structures for seed formation, such as the ovule and the embryo sac. Instead, staminate structures produce pollen, which is essential for fertilizing the ovules in the pistil of female plants for seed production.
Imperfect flowers, which have either male (staminate) or female (pistillate) reproductive structures but not both, can limit the plant's ability to self-pollinate. This condition often necessitates cross-pollination with other plants, which can enhance genetic diversity and resilience. However, reliance on external pollinators can also make these plants more vulnerable to fluctuations in pollinator populations. Overall, the main effect of being an imperfect flower is the trade-off between increased genetic variation and reduced reproductive assurance.
Members of the family Cucurbitaceae like melons and squashes have pistillate (female) and staminate (male) flowers on the same plant separately. On the other hand, in date palm the plants bearing pistillate flowers are separate.
The stamen is the male reproductive organ of the flower, consisting of the anther and filament. The anther produces pollen, which contains the male gametes.
Flowers with pistils but no stamens are called pistillate flowers or female flowers. These flowers have reproductive structures that include the female reproductive organ (pistil) but lack the male reproductive organ (stamen).
the staminate also known as the androecium is composed of the organs of the male reproductive system (flower). these are the anther and filament. the pistillate on the other hand (gynoecium) is composed of the organs of the female reproductive system. these are the pistil, style and ovary.
2+2=1
Cucumbers, holly, and chrysanthemums have staminate flowers. A staminate flower has working stamens, but not functioning carpels. This is sometimes referred to as a "male" plant. Most flowers have functioning stamens and carpels.
because it is not able to reach the water and soil
Examples of pistillate flowers include flowers of squash, cucumber, watermelon, and apple trees. Pistillate flowers typically have female reproductive structures such as ovaries, styles, and stigmas, but lack male reproductive structures like stamens.
Staminate plants (male reproductive structures) cannot produce seeds because they lack the necessary structures for seed formation, such as the ovule and the embryo sac. Instead, staminate structures produce pollen, which is essential for fertilizing the ovules in the pistil of female plants for seed production.
gametes
gametes
Members of the family Cucurbitaceae like melons and squashes have pistillate (female) and staminate (male) flowers on the same plant separately. On the other hand, in date palm the plants bearing pistillate flowers are separate.
Female gametes in a flower are typically formed in the ovule, located within the ovary of the flower. The ovule contains the egg cell, which is the female gamete. Pollination and fertilization occur to produce seeds within the ovary.
The male gametes are located in the pollen of the flower. Hence, the new growth of flowers through the process of pollination. ----------------- In general it is located in the stamen region of the flower. The stamen includes the filament and the anther and when the anther bursts, pollen comes about.
The male gametes in the pollen tubes.