staminode

简明释义

英[ˈstæmɪnəʊd]美[ˈstæmənoʊd]

n. 退化雄蕊

复 数 s t a m i n o d e s

英英释义

单词用法

同义词

反义词

例句

1.Style red to apricot yellow, narrow, ca. 6 cm, base adnate to staminode column.

花柱红色到杏黄，狭窄，约6厘米，基部贴生于退化雄蕊柱。

2.Style red to apricot yellow, narrow, ca. 6 cm, base adnate to staminode column.

花柱红色到杏黄，狭窄，约6厘米，基部贴生于退化雄蕊柱。

3.In some species, the staminode can be mistaken for a petal due to its vibrant color.

在某些物种中，退化雄蕊因其鲜艳的颜色而被误认为是花瓣。

4.The flower's reproductive structure included a prominent staminode which played a role in attracting pollinators.

这朵花的生殖结构中包含一个显著的退化雄蕊，在吸引授粉者方面发挥了作用。

5.The presence of a staminode can indicate specific evolutionary adaptations in flowering plants.

一个退化雄蕊的存在可能表明开花植物的特定进化适应性。

6.The staminode serves as a guide for pollinators, directing them toward the nectar.

该退化雄蕊作为授粉者的指引，引导它们前往花蜜。

7.Botanists often study the staminode to understand plant reproduction mechanisms.

植物学家常常研究退化雄蕊以了解植物繁殖机制。

作文

In the fascinating world of botany, plants exhibit a myriad of structures and adaptations that serve various functions. One such structure is the staminode, which plays a unique role in the reproductive systems of certain flowering plants. To understand the significance of the staminode, we first need to delve into the basics of plant reproduction. Most flowering plants have both male and female reproductive organs; the male organs produce pollen, while the female organs house the ovules. However, some plants have evolved to possess additional structures, such as the staminode, which are modified stamens that do not produce pollen. Instead, they can serve several purposes, including attracting pollinators or providing support for the reproductive organs. The presence of staminodes can often be observed in flowers that have a complex structure. For instance, in the family of orchids, the staminode can take on various forms, sometimes resembling petals or other floral parts. This adaptation helps the flower to become more visually appealing to pollinators, thereby increasing the likelihood of successful pollination. In this way, the staminode acts almost like a lure, drawing in bees, butterflies, and other insects that play crucial roles in the pollination process.Moreover, the staminode can also contribute to the overall fertility of the plant. By providing structural support, these modified stamens can help stabilize the flower during windy conditions, ensuring that the reproductive organs are positioned optimally for pollination. This stability is particularly important for plants that rely on wind or insect pollination, as any disruption could hinder the transfer of pollen and ultimately affect seed production.Interestingly, the evolutionary significance of the staminode extends beyond mere attraction and support. In some species, the presence of staminodes can indicate the plant's adaptability to its environment. For example, in habitats where pollinators are scarce, plants with well-developed staminodes may have a better chance of survival, as they can still attract the limited number of available pollinators. This adaptability showcases the intricate relationship between plants and their environments, highlighting the importance of every component within a flower.In conclusion, the staminode is a remarkable example of how plants have evolved to enhance their reproductive success. By understanding the role of staminodes in attracting pollinators and providing structural support, we gain insight into the complexities of plant biology and the delicate balance of ecosystems. As we continue to study these fascinating structures, we uncover the many ways in which plants have adapted to thrive in their environments, reminding us of the beauty and intricacy of nature.

在植物学的迷人世界中，植物展示了无数的结构和适应性，以服务于各种功能。其中一个结构是staminode，它在某些开花植物的生殖系统中发挥着独特的作用。为了理解staminode的重要性，我们首先需要深入了解植物繁殖的基础知识。大多数开花植物都有雄性和雌性生殖器官；雄性器官产生花粉，而雌性器官则容纳胚珠。然而，一些植物已经进化出额外的结构，如staminode，这些是改良的雄蕊，不产生花粉。相反，它们可以服务于多个目的，包括吸引授粉者或为生殖器官提供支撑。在花朵的复杂结构中，staminodes的存在通常可以观察到。例如，在兰科植物中，staminode可以呈现各种形式，有时类似于花瓣或其他花部。这种适应性有助于花朵在视觉上更具吸引力，从而增加成功授粉的可能性。通过这种方式，staminode几乎像是一种诱饵，吸引蜜蜂、蝴蝶和其他在授粉过程中发挥关键作用的昆虫。此外，staminode还可以促进植物的整体生育能力。通过提供结构支持，这些改良的雄蕊可以在风大的情况下帮助稳定花朵，确保生殖器官以最佳位置进行授粉。这种稳定性对于依赖风或昆虫授粉的植物尤为重要，因为任何干扰都可能妨碍花粉的传递，并最终影响种子的生产。有趣的是，staminode的进化意义超越了单纯的吸引和支持。在某些物种中，staminodes的存在可能表明植物对其环境的适应能力。例如，在授粉者稀缺的栖息地中，具有发达staminodes的植物可能更有生存机会，因为它们仍然可以吸引有限数量的可用授粉者。这种适应性展示了植物与其环境之间的复杂关系，突显了花朵内每个组成部分的重要性。总之，staminode是植物如何进化以增强其生殖成功的一个显著例子。通过理解staminodes在吸引授粉者和提供结构支持方面的作用，我们获得了对植物生物学复杂性的见解，以及生态系统的微妙平衡。随着我们继续研究这些迷人的结构，我们揭示了植物如何适应其环境以茁壮成长的许多方式，提醒我们自然的美丽和复杂性。