gynostemium

简明释义

英[ˌɡaɪnəʊˈstiːmɪəm]美[ˌdʒaɪnoˈstimɪəm]

n. [植] 合蕊柱

复 数 g y n o s t e m i a

英英释义

单词用法

同义词

反义词

例句

1.The structure formed by stamen fusion can be further fused with style and a gynostemium is always formed, such as in Aristolochiaceae and Stylidiaceae.

雄蕊合生的结构还可能进一步与柱头或花柱合生在一起，形成“合蕊柱”一类的复杂结构。

2.The structure formed by stamen fusion can be further fused with style and a gynostemium is always formed, such as in Aristolochiaceae and Stylidiaceae.

雄蕊合生的结构还可能进一步与柱头或花柱合生在一起，形成“合蕊柱”一类的复杂结构。

3.The orchid's unique structure includes a specialized part known as the gynostemium, which plays a crucial role in pollination.

这种兰花的独特结构包括一个称为雌蕊柱的特殊部分，它在授粉中起着至关重要的作用。

4.Botanists often study the gynostemium to understand the reproductive mechanisms of orchids.

植物学家经常研究雌蕊柱以了解兰花的繁殖机制。

5.In many species of orchids, the gynostemium is fused with the stamens, creating a complex reproductive structure.

在许多兰花物种中，雌蕊柱与雄蕊融合，形成复杂的生殖结构。

6.The shape and size of the gynostemium can vary greatly between different orchid species.

不同兰花物种之间，雌蕊柱的形状和大小可能差异很大。

7.During her research, she discovered that the gynostemium influences the type of pollinator that visits the flower.

在她的研究中，她发现雌蕊柱影响了访问花朵的传粉者类型。

作文

In the fascinating world of botany, the term gynostemium refers to a specific structure found in certain flowering plants, particularly in the family Orchidaceae, commonly known as orchids. The gynostemium is a unique fusion of the male and female reproductive organs, which includes the stamens and the pistil. This remarkable adaptation plays a crucial role in the reproductive process of these plants, allowing them to effectively attract pollinators and facilitate successful fertilization. The structure of the gynostemium varies among different orchid species, showcasing an incredible diversity that has evolved over millions of years. In some orchids, the gynostemium is highly specialized, forming intricate shapes that mimic various insects or other organisms. This mimicry is not merely for aesthetic appeal; it serves a vital purpose in attracting pollinators, such as bees, butterflies, and moths. By imitating the appearance or scent of potential mates, these orchids can ensure that their pollen is transferred to other flowers, promoting genetic diversity within the population. One of the most fascinating aspects of the gynostemium is its ability to facilitate a process known as 'pollinia' transfer. Pollinia are clusters of pollen grains that are often attached to a sticky pad. When a pollinator visits an orchid flower, the gynostemium captures the pollinia and transfers them to the next flower the pollinator visits. This mechanism not only enhances the chances of successful pollination but also minimizes the loss of pollen, making the reproductive process more efficient. Moreover, the study of the gynostemium provides insights into the evolutionary adaptations of plants. Scientists have observed how variations in the gynostemium structure correlate with the types of pollinators that visit specific orchid species. For instance, orchids that are pollinated by long-tongued insects tend to have elongated gynostemia, while those that attract short-tongued insects may display broader structures. This relationship between floral morphology and pollinator behavior underscores the intricate connections within ecosystems. In addition to its biological significance, the gynostemium also holds cultural importance. Orchids are often associated with beauty, luxury, and strength in various cultures around the world. The unique characteristics of the gynostemium contribute to the allure of orchids, making them highly sought after by collectors and enthusiasts. Many people cultivate orchids in their homes, not only for their stunning flowers but also for the challenge of growing these complex plants. In conclusion, the gynostemium is a remarkable structure that exemplifies the intricate relationships between plants and their pollinators. Through its unique adaptations, the gynostemium enhances the reproductive success of orchids, contributing to their diversity and resilience in various environments. As we continue to explore the wonders of botany, understanding the gynostemium and its role in plant reproduction will deepen our appreciation for the complexity of life on Earth. The study of such structures not only enriches our knowledge of plant biology but also highlights the importance of preserving biodiversity in our changing world.

在迷人的植物学世界中，术语gynostemium指的是某些开花植物中特有的结构，特别是在兰科植物（Orchidaceae）中。gynostemium是雄性和雌性生殖器官的独特融合，包括雄蕊和雌蕊。这种显著的适应性在这些植物的繁殖过程中起着至关重要的作用，使它们能够有效地吸引授粉者并促进成功的授粉。 gynostemium的结构因不同的兰花物种而异，展示了经过数百万年进化而来的惊人多样性。在一些兰花中，gynostemium高度专业化，形成复杂的形状，模仿各种昆虫或其他生物。这种拟态不仅仅是出于审美吸引力；它在吸引授粉者方面发挥着重要作用，例如蜜蜂、蝴蝶和蛾子。通过模仿潜在伴侣的外观或气味，这些兰花可以确保其花粉被转移到其他花朵上，从而促进种群内的遗传多样性。 gynostemium最引人入胜的方面之一是它能够促进一种被称为“花粉团”转移的过程。花粉团是一簇花粉颗粒，通常附着在粘性垫上。当授粉者访问兰花时，gynostemium会捕捉花粉团并将其转移到授粉者下一个访问的花朵上。这一机制不仅增强了成功授粉的机会，还最大限度地减少了花粉的损失，使繁殖过程更加高效。 此外，对gynostemium的研究提供了植物进化适应性的见解。科学家观察到，gynostemium结构的变化与特定兰花物种吸引的授粉者类型之间存在相关性。例如，受长舌昆虫授粉的兰花往往具有细长的gynostemium，而吸引短舌昆虫的兰花可能显示出更宽的结构。这种花形态与授粉者行为之间的关系突显了生态系统中复杂的相互联系。 除了生物学意义外，gynostemium在文化上也具有重要性。兰花在世界各地的各种文化中常常与美丽、奢华和力量相关联。gynostemium的独特特征增强了兰花的魅力，使其成为收藏家和爱好者的热门选择。许多人在家中种植兰花，不仅因为它们绚丽的花朵，还因为种植这些复杂植物的挑战。 总之，gynostemium是一个非凡的结构，体现了植物与其授粉者之间错综复杂的关系。通过其独特的适应性，gynostemium增强了兰花的繁殖成功，促进了它们在各种环境中的多样性和韧性。当我们继续探索植物学的奇迹时，理解gynostemium及其在植物繁殖中的作用将加深我们对地球生命复杂性的欣赏。对这些结构的研究不仅丰富了我们对植物生物学的知识，还突显了在不断变化的世界中保护生物多样性的重要性。