gynoecia

简明释义

英[/ɡaɪˈnoʊ.ɪ.ʃə/]美[/ɡaɪˈnoʊ.ɪ.ʃə/]

n. 雌蕊；雌蕊群

英英释义

单词用法

同义词

反义词

例句

1.The orchid belongs to the monocotyledon, formed with 3 sepals, 3 flower petals, 6 anthers (dividing into 2 circles) and 3 gynoecia. it is one of the ancient famous flowers in our country.

兰花属于单子叶植物，花是由3个萼片，3个花辨，分为两个圈的6个花药和3个雌蕊组成的。

2.The orchid belongs to the monocotyledon, formed with 3 sepals, 3 flower petals, 6 anthers (dividing into 2 circles) and 3 gynoecia. it is one of the ancient famous flowers in our country.

兰花属于单子叶植物，花是由3个萼片，3个花辨，分为两个圈的6个花药和3个雌蕊组成的。

3.Flower: There are perianth, androecium and gynoecia on receptacle.

在花托上着生花被片、雄蕊群和雌蕊。

4.Both the pollen grains and the gynoecia are active.

花粉粒和雌蕊都具有活力。

5.The study of plant reproductive structures often focuses on the gynoecia, which are crucial for understanding fertilization.

植物生殖结构的研究通常集中在雌蕊上，这对于理解受精至关重要。

6.In flowering plants, the arrangement of gynoecia can vary significantly between species.

在开花植物中，雌蕊的排列在不同物种之间可能有显著差异。

7.Botanists often classify flowers based on the number and type of gynoecia present.

植物学家通常根据花中存在的雌蕊的数量和类型对花进行分类。

8.The gynoecia of a flower can be composed of one or more carpels.

雌蕊可以由一个或多个心皮组成。

9.Understanding the structure of gynoecia is essential for plant breeding programs.

理解雌蕊的结构对于植物育种项目至关重要。

作文

In the study of botany, one encounters various terms that describe the intricate structures of plants. Among these terms is gynoecia, which refers to the female reproductive parts of a flower. Understanding gynoecia is crucial for comprehending how plants reproduce and sustain their species. The gynoecia consists of one or more carpels, which are the basic units of the female structure in flowers. Each carpel typically includes an ovary, style, and stigma. The ovary houses the ovules, which develop into seeds upon fertilization, while the stigma serves as the landing platform for pollen grains during pollination. The importance of gynoecia extends beyond mere reproduction; it plays a vital role in the diversity of plant life. Different species exhibit various forms of gynoecia, influencing how they attract pollinators and how successful they are at reproducing. For instance, some flowers have a single, prominent gynoecia, making them easily identifiable to specific pollinators, while others may have multiple carpels that increase their chances of pollen capture. Moreover, the structure of gynoecia can affect the evolutionary strategies of plants. In some cases, plants with complex gynoecia may evolve to ensure cross-pollination, which enhances genetic diversity. Conversely, plants with simpler gynoecia may rely on self-pollination to ensure reproduction in environments where pollinators are scarce. In addition to its biological significance, gynoecia also has implications in agriculture and horticulture. Understanding the gynoecia of crop plants can help farmers select the best varieties for their needs. For example, crops with robust gynoecia are often more productive because they can produce more seeds and fruits. This knowledge allows for better planning and cultivation practices, ultimately leading to higher yields and sustainable farming. In conclusion, the term gynoecia encapsulates a critical aspect of plant biology that is essential for understanding reproduction, evolution, and agricultural practices. By studying gynoecia, we gain insights into the fascinating world of plants and their intricate relationships with pollinators and the environment. As we continue to explore and appreciate the diversity of plant life, the role of gynoecia will remain an important topic in both scientific research and practical applications in gardening and farming.

在植物学的研究中，人们会遇到各种描述植物复杂结构的术语。其中一个术语是雌蕊，它指的是花的雌性生殖部分。理解雌蕊对于理解植物如何繁殖和维持物种至关重要。雌蕊由一个或多个心皮组成，心皮是花中雌性结构的基本单位。每个心皮通常包括一个子房、花柱和柱头。子房内有胚珠，受精后会发育成种子，而柱头则作为花粉粒在授粉过程中着陆的平台。 雌蕊的重要性不仅限于繁殖；它在植物生命的多样性中也起着至关重要的作用。不同物种展示了不同形式的雌蕊，影响它们吸引传粉者的方式以及繁殖的成功率。例如，一些花朵有一个显著的雌蕊，使其易于被特定的传粉者识别，而其他花朵可能有多个心皮，从而增加了捕获花粉的机会。 此外，雌蕊的结构可以影响植物的进化策略。在某些情况下，具有复杂雌蕊的植物可能会进化以确保异花授粉，从而增强遗传多样性。相反，具有简单雌蕊的植物可能依赖自花授粉，以确保在传粉者稀缺的环境中繁殖。 除了生物学意义外，雌蕊在农业和园艺中也具有重要意义。了解作物植物的雌蕊可以帮助农民选择最适合他们需求的品种。例如，具有强壮雌蕊的作物通常更具生产力，因为它们可以产生更多的种子和果实。这一知识使得更好的规划和耕作实践成为可能，最终导致更高的产量和可持续的农业。 总之，术语雌蕊概括了植物生物学的一个关键方面，对于理解繁殖、进化和农业实践至关重要。通过研究雌蕊，我们获得了对植物世界及其与传粉者和环境之间复杂关系的深入了解。当我们继续探索和欣赏植物生命的多样性时，雌蕊的角色将始终是科学研究和园艺、农业实际应用中一个重要的话题。