bracteole

简明释义

英[ˈbræktɪəʊl]美[ˈbræktɪol]

n. [植] 小苞片

英英释义

单词用法

同义词

反义词

例句

1.Raceme rachis and pedicels pubescent or puberulent ; bract and bracteole usually borne on distal 1/2 of pedicel.

总状花序轴和花梗具短柔毛或微柔毛；苞片和小苞片通常生于花梗上部的1/2。

2.Raceme rachis and pedicels pubescent or puberulent ; bract and bracteole usually borne on distal 1/2 of pedicel.

总状花序轴和花梗具短柔毛或微柔毛；苞片和小苞片通常生于花梗上部的1/2。

3.Botanists often study the bracteole to understand the evolutionary adaptations of plants.

植物学家经常研究苞片以了解植物的进化适应性。

4.The bracteole is often mistaken for a petal due to its similar appearance.

由于外观相似，苞片常常被误认为是花瓣。

5.In some species, the bracteole can be colorful and attract pollinators.

在一些物种中，苞片可以是多彩的，以吸引传粉者。

6.The flower had a unique structure, with each petal accompanied by a small bracteole that provided support.

这朵花有一个独特的结构，每片花瓣旁边都有一个小苞片来提供支撑。

7.During our hike, we observed a plant with striking bracteoles that enhanced its floral display.

在我们的徒步旅行中，我们观察到一种植物，其引人注目的苞片增强了其花卉展示。

作文

In the fascinating world of botany, many terms and concepts are essential for understanding plant structures and their functions. One such term is bracteole, which refers to a small leaf or leaf-like structure that is found beneath a flower or inflorescence. Bracteole is derived from the Latin word 'bractea', meaning 'thin plate' or 'leaf'. These structures play a crucial role in the reproductive processes of flowering plants, often providing support and protection to the developing flowers. The significance of bracteole can be observed in various plant species. For instance, in some flowering plants, bracteoles can help attract pollinators by enhancing the visual appeal of the flower. They may also serve as a protective layer for the flower buds, shielding them from environmental factors such as wind and rain until they are ready to bloom. This protective function is particularly important in regions with harsh weather conditions where young flowers are vulnerable.Moreover, bracteoles can vary greatly in shape, size, and color, depending on the species of the plant. In some cases, they can be brightly colored and large, making them a prominent feature of the plant, while in others, they may be small and inconspicuous. The diversity of bracteoles across different species highlights the adaptability of plants to their environments. For example, in tropical regions, where competition for pollination is fierce, plants may develop larger and more colorful bracteoles to stand out and attract pollinators more effectively.Understanding the role of bracteoles also sheds light on the evolutionary strategies of plants. Over time, plants have developed various adaptations to enhance their reproductive success, and bracteoles are just one of the many features that contribute to this. By studying these structures, botanists can gain insights into how plants interact with their environment and other organisms, such as pollinators and herbivores. This knowledge can also have practical applications in agriculture and horticulture, where understanding plant anatomy can lead to better cultivation practices.In conclusion, the term bracteole encapsulates a vital aspect of plant biology that is often overlooked. These small but significant structures not only support the reproductive process of flowering plants but also showcase the incredible diversity and adaptability of plant life. Whether through their protective roles or their contributions to attracting pollinators, bracteoles are essential components of the botanical world. As we continue to explore the intricacies of plant biology, it is crucial to appreciate the importance of every part of the plant, including the humble bracteole.

在植物学的迷人世界中，许多术语和概念对于理解植物结构及其功能至关重要。其中一个术语是bracteole，指的是位于花或花序下方的小叶子或叶状结构。Bracteole源自拉丁词“bractea”，意为“薄片”或“叶子”。这些结构在开花植物的繁殖过程中发挥着至关重要的作用，通常为发育中的花朵提供支持和保护。Bracteole的重要性可以在各种植物物种中观察到。例如，在某些开花植物中，bracteole可以通过增强花朵的视觉吸引力来帮助吸引授粉者。它们还可以作为花蕾的保护层，保护它们免受风雨等环境因素的影响，直到它们准备好绽放。这种保护功能在气候条件严酷的地区尤为重要，因为年轻的花朵非常脆弱。此外，bracteole的形状、大小和颜色因植物物种而异。在某些情况下，它们可能色彩鲜艳且较大，成为植物的显著特征，而在其他情况下，它们可能小而不显眼。不同物种之间bracteole的多样性突显了植物对其环境的适应能力。例如，在热带地区，授粉竞争激烈，植物可能会发展出更大、更艳丽的bracteole以更有效地吸引授粉者。理解bracteole的作用也揭示了植物的进化策略。随着时间的推移，植物发展出各种适应性以增强其繁殖成功率，bracteole只是众多特征之一。通过研究这些结构，植物学家可以深入了解植物如何与其环境以及其他生物（如授粉者和食草动物）相互作用。这些知识在农业和园艺中也具有实际应用，通过理解植物解剖学，可以改进栽培实践。总之，术语bracteole概括了植物生物学中的一个重要方面，这一点常常被忽视。这些小而重要的结构不仅支持开花植物的繁殖过程，还展示了植物生命的惊人多样性和适应性。无论是通过它们的保护作用还是它们对吸引授粉者的贡献，bracteole都是植物世界的重要组成部分。随着我们继续探索植物生物学的复杂性，欣赏植物的每一个部分，包括谦逊的bracteole，是至关重要的。