staminodium

简明释义

[ˌstæməˈnoʊdiəm][ˌstæməˈnoʊdiəm]

n. 退化雄蕊

复 数 s t a m i n o d i a

英英释义

A staminodium is a sterile stamen or modified stamen that does not produce pollen, often serving a role in the flower's structure or function.

staminodium是一个无花粉的无性雄蕊或改良雄蕊,通常在花的结构或功能中起作用。

单词用法

同义词

staminode

退化雄蕊

In many flowering plants, staminodes can be found as part of the reproductive structure.

在许多开花植物中,退化雄蕊可以作为生殖结构的一部分。

sterile stamen

无功能雄蕊

The presence of sterile stamens can influence pollinator behavior in certain species.

在某些物种中,无功能雄蕊的存在可以影响授粉者的行为。

反义词

pistil

雌蕊

The pistil is the female reproductive part of a flower.

雌蕊是花的雌性生殖部分。

ovule

胚珠

The ovule develops into a seed after fertilization.

胚珠在受精后发育成种子。

例句

1.Some orchids have a highly developed staminodium that aids in the pollination process.

一些兰花具有高度发达的staminodium,有助于授粉过程。

2.In some species, the staminodium plays a role in attracting pollinators by mimicking the appearance of fertile stamens.

在某些物种中,staminodium通过模仿有功能雄蕊的外观来吸引授粉者。

3.Botanists often study the staminodium to understand the evolution of floral structures.

植物学家经常研究staminodium以理解花卉结构的进化。

4.The staminodium can be found in various flowering plants, serving different functions depending on the species.

在各种开花植物中都可以找到staminodium,根据物种的不同,它们发挥不同的功能。

5.The flower's unique structure includes a special part called staminodium, which is a sterile stamen.

这朵花的独特结构包括一个叫做staminodium的特殊部分,它是一个无功能的雄蕊。

作文

In the study of botany, the term staminodium refers to a sterile stamen that does not produce pollen but can have various roles in the reproductive process of flowering plants. Understanding the function and significance of staminodium is crucial for botanists and horticulturists alike. These structures can often be found in many species of plants, where they contribute to the overall reproductive strategy. For instance, in some flowers, staminodium may serve to attract pollinators by providing additional visual or olfactory stimuli, despite being non-functional in terms of pollen production.The presence of staminodium can also indicate evolutionary adaptations. In certain species, these sterile stamens may evolve to enhance the flower's aesthetic appeal, thereby increasing the chances of successful pollination. This phenomenon underscores the intricate relationship between plant morphology and pollinator behavior. By attracting insects or birds, the staminodium plays a pivotal role in ensuring that the functional stamens, which do produce pollen, receive adequate attention from potential pollinators.Moreover, the study of staminodium extends beyond mere attraction; it delves into the complexities of plant reproduction. For example, in some orchids, the staminodium can mimic the appearance of female insects, tricking male insects into attempting to mate with them. This deception leads to the unintentional transfer of pollen, facilitating cross-pollination. Such fascinating interactions highlight the importance of understanding floral structures in the context of ecological relationships.Furthermore, the role of staminodium can vary significantly across different plant families. In some cases, these structures may provide structural support within the flower, while in others, they may secrete substances that aid in the attraction of pollinators. This variability illustrates the diversity of evolutionary strategies employed by plants to ensure their survival and reproduction.In conclusion, the concept of staminodium encapsulates a unique aspect of floral biology that emphasizes the complexity and beauty of plant reproductive systems. By studying these sterile stamens, researchers can gain insights into the evolutionary processes that shape plant morphology and their interactions with the environment. The exploration of staminodium not only enriches our understanding of botany but also underscores the interconnectedness of life forms on our planet. As we continue to uncover the mysteries of plant biology, the significance of structures like staminodium will undoubtedly remain a focal point in the quest for knowledge about the natural world.

在植物学研究中,术语staminodium指的是一种不产生花粉的无功能雄蕊,但在开花植物的生殖过程中可以发挥各种作用。理解staminodium的功能和重要性对于植物学家和园艺师而言至关重要。这些结构通常可以在许多植物物种中找到,它们有助于整体的生殖策略。例如,在某些花朵中,staminodium可能通过提供额外的视觉或嗅觉刺激来吸引授粉者,尽管在花粉生产方面并无功能。staminodium的存在也可以表明进化适应。在某些物种中,这些无功能的雄蕊可能演变成增强花卉美感的特征,从而增加成功授粉的机会。这一现象强调了植物形态与授粉者行为之间的复杂关系。通过吸引昆虫或鸟类,staminodium在确保功能性雄蕊(即那些确实产生花粉的雄蕊)获得适当关注方面发挥了关键作用。此外,staminodium的研究超越了单纯的吸引,它深入探讨了植物繁殖的复杂性。例如,在某些兰花中,staminodium可以模仿雌性昆虫的外观,欺骗雄性昆虫试图与之交配。这种欺骗导致花粉的无意转移,促进了异花授粉。这些迷人的相互作用突显了理解花卉结构在生态关系中的重要性。此外,staminodium的角色在不同植物科之间可能会有显著差异。在某些情况下,这些结构可能在花中提供结构支持,而在其他情况下,它们可能分泌物质以帮助吸引授粉者。这种变异性说明了植物为确保其生存和繁殖而采用的进化策略的多样性。总之,staminodium的概念概括了花生物学的一个独特方面,强调了植物生殖系统的复杂性和美丽。通过研究这些无功能的雄蕊,研究人员可以深入了解塑造植物形态及其与环境相互作用的进化过程。对staminodium的探索不仅丰富了我们对植物学的理解,还强调了我们星球上生命形式之间的相互关联性。随着我们继续揭开植物生物学的奥秘,像staminodium这样的结构的重要性无疑将继续成为我们对自然世界知识探索的重点。