gynoecium

简明释义

英[dʒaɪˈniːsɪəm]美[dʒɪˈnisɪəm]

n. 雌蕊；[植] 雌蕊群

复 数 g y n o e c i a

英英释义

单词用法

同义词

反义词

例句

1.The stasis phenomenon of gynoecium development occurred in floral organogenesis of Reineckia and the abortion of microspore and ovule may be the important causes of its low seed bearing ratio.

吉祥草花器官发生发育过程中出现雌蕊群发育停滞现象，以及吉祥草在小孢子及胚珠发育过程中出现败育情况，可能是吉祥草属结实率低的重要原因。

2.The stasis phenomenon of gynoecium development occurred in floral organogenesis of Reineckia and the abortion of microspore and ovule may be the important causes of its low seed bearing ratio.

吉祥草花器官发生发育过程中出现雌蕊群发育停滞现象，以及吉祥草在小孢子及胚珠发育过程中出现败育情况，可能是吉祥草属结实率低的重要原因。

3.A gynoecium with only one carpel is called monocarpellary; with two or more separate carpel, apocarpous; and with fused carpels syncarpous.

只有一个心皮的雌蕊称单心皮， 具两个或更多分离的心皮称离生心皮。

4.In a floral formula, an inferior ovary is denoted by a line above the gynoecium symbol and number.

写花程式时，下位子房的表示方法是在雌蕊的符号和数量上方画一条线。

5.The central part of the floret primordium changes directly into gynoecium.

雌蕊原基由小花原基的中央部分直接发育而成。

6.Stamen and gynoecium all most.

雄蕊和雌蕊均多数。

7.Gynandrous definition is having the androecium and gynoecium united in a column.

雌雄同体的定义是雄蕊和雌蕊在一个柱状。

8.In flowering plants, the structure known as the gynoecium is crucial for reproduction.

在开花植物中，称为雌蕊的结构对繁殖至关重要。

9.The gynoecium consists of one or more carpels that house the ovules.

雌蕊由一个或多个心皮组成，内含胚珠。

10.Botanists study the gynoecium to understand plant fertility and development.

植物学家研究雌蕊以了解植物的生育和发育。

11.In some plants, the gynoecium can be fused together, forming a compound structure.

在某些植物中，雌蕊可以融合在一起，形成复合结构。

12.The gynoecium plays a significant role in the pollination process.

雌蕊在授粉过程中起着重要作用。

作文

In the study of botany, understanding the structure and function of flowers is essential. One of the key components of a flower is the gynoecium, which plays a crucial role in the reproductive process of flowering plants. The gynoecium is the female part of the flower and is composed of one or more carpels. Each carpel consists of three main parts: the ovary, style, and stigma. The ovary contains the ovules, which are the potential seeds of the plant. The style connects the ovary to the stigma, which is the receptive surface for pollen grains. When pollen is transferred to the stigma through various means such as wind or pollinators, fertilization can occur within the ovary, leading to the development of seeds. The importance of the gynoecium extends beyond just reproduction; it also influences the genetic diversity of plants. By facilitating cross-pollination, the gynoecium helps ensure that plants can adapt to changing environments and resist diseases. In many species, the structure of the gynoecium can vary significantly, reflecting the evolutionary adaptations of different plants to their specific habitats. For instance, some flowers have long styles that allow for specific pollinators to access the stigma, while others may have short styles that encourage self-pollination. Moreover, the gynoecium is not just a passive participant in the reproductive process. It actively engages in signaling processes that attract pollinators and facilitate the transfer of pollen. Some flowers emit specific scents or produce nectar to lure pollinators, thereby enhancing their chances of successful reproduction. This interaction between the gynoecium and pollinators is a fascinating area of study in plant ecology and evolution. In addition to its biological significance, the gynoecium has cultural and aesthetic value. Many people appreciate flowers for their beauty, and understanding the anatomy of a flower, including the gynoecium, can deepen one's appreciation for nature. Florists and horticulturists often select flowers based on their gynoecium structure, as this can influence the overall health and productivity of the plant. In conclusion, the gynoecium is a vital component of flowering plants, integral to their reproductive success and genetic diversity. Its structure and function are essential for understanding plant biology and ecology. As we continue to explore the complexities of plant reproductive systems, the gynoecium will undoubtedly remain a focal point of research and discovery. By studying the gynoecium, we not only learn about the mechanics of plant reproduction but also gain insights into the intricate relationships between plants and their environments. This knowledge is crucial as we face challenges such as climate change and habitat loss, which threaten the delicate balance of ecosystems around the world.

在植物学的研究中，理解花的结构和功能是至关重要的。花的一个关键组成部分是雌蕊，它在开花植物的繁殖过程中发挥着至关重要的作用。雌蕊是花的雌性部分，由一个或多个心皮组成。每个心皮由三个主要部分组成：子房、花柱和柱头。子房包含胚珠，即植物的潜在种子。花柱将子房连接到柱头，柱头是花粉粒的接收表面。当花粉通过风或传粉者等各种方式转移到柱头时，受精可以在子房内发生，导致种子的发育。 雌蕊的重要性不仅仅体现在繁殖上；它还影响植物的遗传多样性。通过促进异花授粉，雌蕊帮助确保植物能够适应变化的环境并抵御疾病。在许多物种中，雌蕊的结构可能会有显著差异，反映出不同植物对其特定栖息地的进化适应。例如，一些花具有较长的花柱，使特定的传粉者能够接触到柱头，而其他花则可能具有较短的花柱，以促进自花授粉。 此外，雌蕊不仅仅是繁殖过程中的被动参与者。它积极参与信号传递过程，吸引传粉者并促进花粉的转移。一些花散发特定的气味或产生花蜜，以引诱传粉者，从而增强成功繁殖的机会。雌蕊与传粉者之间的这种互动是植物生态学和进化研究中的一个迷人领域。 除了生物学意义外，雌蕊还具有文化和美学价值。许多人欣赏花的美丽，理解花的解剖结构，包括雌蕊，可以加深对自然的欣赏。花商和园艺师通常根据花的雌蕊结构选择花卉，因为这可能会影响植物的整体健康和生产力。 总之，雌蕊是开花植物的重要组成部分，对于它们的繁殖成功和遗传多样性至关重要。它的结构和功能对于理解植物生物学和生态学是必不可少的。随着我们继续探索植物繁殖系统的复杂性，雌蕊无疑将继续成为研究和发现的重点。通过研究雌蕊，我们不仅了解植物繁殖的机制，还获得了对植物与其环境之间复杂关系的洞察。这些知识对于我们面临气候变化和栖息地丧失等挑战至关重要，这些挑战威胁着世界各地生态系统的微妙平衡。