pollinium

简明释义

[pəˈlɪnɪəm][pɑˈlɪniəm]

n. [植] 花粉块

复 数 p o l l i n i a

英英释义

A pollinium is a coherent mass of pollen grains, typically found in certain plants of the family Orchidaceae, which is transferred as a single unit during pollination.

花粉团是一种花粉颗粒的凝聚体,通常在兰科植物中发现,在授粉过程中作为一个整体转移。

单词用法

transfer of pollinia

花粉团的转移

pollinium attachment

花粉团附着

pollinium structure

花粉团结构

pollinium dispersal

花粉团传播

同义词

pollen sac

花粉囊

The pollinium is transferred to the stigma of another flower during pollination.

在授粉过程中,花粉囊被转移到另一朵花的柱头上。

pollinic mass

花粉团

Pollinic masses can stick to the bodies of pollinators, aiding in plant reproduction.

花粉团可以粘附在授粉者的身体上,帮助植物繁殖。

反义词

pollen

花粉

Pollen is dispersed by wind and insects.

花粉通过风和昆虫传播。

seed

种子

Seeds are the next stage in the plant reproduction process.

种子是植物繁殖过程中的下一个阶段。

例句

1.It was suggested that Zea pollinium could improve the activities of antioxidant in vivo, and inhibit the occurrence of lipid peroxidation.

玉米蜂花粉可以提高大鼠机体的抗氧化能力,抑制脂质过氧化作用的发生。

2.It was suggested that Zea pollinium could improve the activities of antioxidant in vivo, and inhibit the occurrence of lipid peroxidation.

玉米蜂花粉可以提高大鼠机体的抗氧化能力,抑制脂质过氧化作用的发生。

3.When the bee lands on the flower, it often picks up a pollinium 花粉团 from the anther.

当蜜蜂落在花朵上时,它通常会从花药上拾取一个pollinium 花粉团

4.The pollinium 花粉团 can remain viable for several days after being removed from the parent plant.

在从母植物移除后,pollinium 花粉团可以保持活性数天。

5.Some plants have evolved to ensure their pollinium 花粉团 is only transferred by specific pollinators.

一些植物已经进化,以确保它们的pollinium 花粉团只由特定的授粉者转移。

6.The orchid's unique structure allows it to produce a single pollinium 花粉团 that can be easily transferred by visiting insects.

这种兰花的独特结构使它能够产生一个单一的pollinium 花粉团,可以被来访的昆虫轻松转移。

7.In some species, the pollinium 花粉团 is attached to a sticky pad that helps in its attachment to pollinators.

在某些物种中,pollinium 花粉团附着在一个粘性垫上,这有助于它附着在授粉者身上。

作文

In the fascinating world of botany, one of the most intriguing structures is the pollinium, a unique form of pollen mass found in certain flowering plants. The term pollinium refers to a coherent mass of pollen grains that are often attached together by a sticky substance. This adaptation is particularly prominent in orchids and some other angiosperms, where it plays a crucial role in the plant's reproductive process. Understanding the structure and function of pollinium can provide insights into the complex interactions between plants and their pollinators.The formation of pollinium is a remarkable evolutionary strategy that enhances the efficiency of pollen transfer. Unlike traditional loose pollen grains, which can easily disperse in the wind or be washed away by rain, pollinium remains intact during the pollination process. When an insect, such as a bee or a butterfly, visits a flower, it inadvertently comes into contact with the pollinium. The sticky nature of the mass ensures that it adheres to the insect's body, allowing for the successful transfer of pollen to another flower when the insect continues its search for nectar.This mechanism not only increases the chances of successful fertilization but also promotes genetic diversity within plant populations. By facilitating cross-pollination, pollinium contributes to the mixing of genetic material, which is essential for the resilience and adaptability of plant species. In a changing environment, this genetic diversity can be vital for survival, enabling plants to better withstand diseases, pests, and climate fluctuations.Moreover, the study of pollinium has broader implications for understanding ecological relationships. The interaction between plants and their pollinators is a delicate balance that sustains many ecosystems. As the population of pollinators declines due to habitat loss and environmental changes, the reliance on structures like pollinium becomes increasingly important. Conservation efforts must consider these intricate relationships to ensure the survival of both plants and their pollinators.In addition to its biological significance, pollinium has also captured the interest of scientists and horticulturists. Research into the mechanisms of pollinium dispersal and adherence can lead to innovations in agricultural practices. By mimicking these natural processes, farmers can develop more effective strategies for crop pollination, ultimately enhancing food production.In conclusion, the pollinium is more than just a simple pollen structure; it is a testament to the complexity of plant reproduction and the interconnectedness of life. Through its role in pollination, pollinium not only ensures the continuation of plant species but also supports entire ecosystems. As we continue to explore the wonders of nature, understanding the significance of pollinium will allow us to appreciate the delicate balance that sustains our environment and recognize the importance of protecting it for future generations.

在迷人的植物学世界中,最引人入胜的结构之一是pollinium,一种在某些开花植物中发现的独特花粉团。术语pollinium指的是一团粘连在一起的花粉颗粒,这种适应性在兰花和其他一些被子植物中尤为突出,在植物的繁殖过程中发挥着至关重要的作用。理解pollinium的结构和功能可以提供对植物与其授粉者之间复杂相互作用的深入了解。pollinium的形成是一种显著的进化策略,可以提高花粉转移的效率。与传统的松散花粉颗粒不同,后者容易在风中散播或被雨水冲走,pollinium在授粉过程中保持完整。当昆虫,如蜜蜂或蝴蝶,访问花朵时,它无意中接触到pollinium。这种花粉团的粘性特征确保它附着在昆虫的身体上,使得当昆虫继续寻找花蜜时,能够成功地将花粉转移到另一朵花上。这一机制不仅增加了成功受精的机会,还促进了植物种群内的遗传多样性。通过促进异花授粉,pollinium有助于遗传物质的混合,这对于植物物种的韧性和适应性至关重要。在变化的环境中,这种遗传多样性对生存至关重要,使植物能够更好地抵御疾病、害虫和气候波动。此外,对pollinium的研究对理解生态关系具有更广泛的影响。植物与其授粉者之间的相互作用是维持许多生态系统的微妙平衡。随着由于栖息地丧失和环境变化而导致的授粉者数量下降,对像pollinium这样的结构的依赖变得越来越重要。保护工作必须考虑这些复杂的关系,以确保植物及其授粉者的生存。除了其生物学意义外,pollinium还吸引了科学家和园艺师的兴趣。对pollinium的传播和粘附机制的研究可以导致农业实践中的创新。通过模仿这些自然过程,农民可以制定更有效的作物授粉策略,从而最终提高粮食生产。总之,pollinium不仅仅是一个简单的花粉结构;它证明了植物繁殖的复杂性和生命的相互联系。通过在授粉过程中的作用,pollinium不仅确保了植物物种的延续,还支持了整个生态系统。随着我们继续探索自然的奇迹,理解pollinium的重要性将使我们能够欣赏维持环境的微妙平衡,并认识到保护环境以惠及未来世代的重要性。