petiolule

简明释义

英[ˈpetɪəʊljuːl]美[petɪˈoljʊl]

n. [植] 小叶柄

英英释义

单词用法

同义词

反义词

例句

1.Both the petiolule latex yield and the latex vessel number in lateral veins or midribs have a greater heritability.

小叶柄胶值、侧脉及中脉乳管数量的遗传力较高。

2.Both the petiolule latex yield and the latex vessel number in lateral veins or midribs have a greater heritability.

小叶柄胶值、侧脉及中脉乳管数量的遗传力较高。

3.The leaf structure was analyzed, and each petiolule 小叶柄 was measured for its length.

叶片结构被分析，每个petiolule小叶柄的长度被测量。

4.In botany, the petiolule 小叶柄 connects the leaflets to the main stem.

在植物学中，petiolule小叶柄将小叶与主干连接起来。

5.Some species exhibit a unique shape in their petiolules 小叶柄, which aids in identification.

一些物种在其petiolules小叶柄中表现出独特的形状，这有助于识别。

6.The researcher noted that the petiolule 小叶柄 is crucial for leaf movement.

研究人员指出，petiolule小叶柄对叶片运动至关重要。

7.In some plants, the petiolule 小叶柄 can be quite long, allowing for greater flexibility.

在某些植物中，petiolule小叶柄可以相当长，从而允许更大的灵活性。

作文

In the study of botany, understanding the various parts of a plant is crucial for identifying species and understanding their functions. One such term that often comes up is petiolule, which refers to the small stalk that attaches a leaflet to the main leaf stem, known as the petiole. This seemingly minor feature plays a significant role in the overall structure and function of a leaf. The petiolule allows for flexibility and movement, enabling the leaflets to orient themselves towards sunlight, which is essential for photosynthesis. Without this small yet vital component, the efficiency of light capture would be greatly diminished, affecting the plant's growth and survival. The structure of a petiolule can vary significantly among different plant species. In some plants, the petiolule is long and slender, while in others, it may be short and thick. This variation can influence how leaves interact with their environment. For example, in plants that grow in windy areas, longer petiolules may help to reduce the risk of leaf damage by allowing the leaflets to sway with the wind rather than resist it. On the other hand, in dense forests where competition for light is fierce, shorter petiolules might be advantageous as they allow for a more compact leaf structure, maximizing light absorption. Moreover, the presence of petiolules can also have implications for plant identification. Botanists often rely on the characteristics of petiolules—such as their length, thickness, and attachment point—to distinguish between closely related species. For instance, two species of plants might have similar leaf shapes and sizes, but differences in the petiolule can provide critical clues for accurate identification. This highlights the importance of paying attention to even the smallest details in botanical studies. In addition to their functional roles, petiolules can also contribute to the aesthetic aspects of plants. Many gardeners and plant enthusiasts appreciate the diversity of leaf structures, including the varying forms of petiolules. Some plants, like the intricate designs of certain ferns, showcase beautifully arranged leaflets with distinct petiolules that enhance their ornamental value. This appreciation for plant morphology not only enriches our understanding of nature but also inspires creativity in landscape design and gardening. In conclusion, the term petiolule may refer to a small part of a plant, but its significance cannot be underestimated. From aiding in photosynthesis to playing a crucial role in plant identification and contributing to the beauty of foliage, petiolules are an essential aspect of botany. By studying these small structures, we gain deeper insights into the complexity and diversity of plant life. As we continue to explore the natural world, let us not overlook the importance of every detail, no matter how small, in our quest for knowledge and appreciation of the environment around us.

在植物学的研究中，理解植物的各个部分对于识别物种和理解其功能至关重要。一个常常出现的术语是petiolule，它指的是将小叶片连接到主叶茎（称为叶柄）的细小茎。这个看似微不足道的特征在叶子的整体结构和功能中扮演着重要角色。petiolule使得叶片能够灵活移动，能够让小叶片朝向阳光，这对光合作用至关重要。如果没有这个小而重要的组成部分，光捕获的效率将大大降低，从而影响植物的生长和存活。 petiolule的结构在不同植物物种之间可能有显著差异。在一些植物中，petiolule又长又细，而在另一些植物中，它可能又短又厚。这种变化可能会影响叶子与环境的相互作用。例如，在风大的地区，较长的petiolules可能有助于减少叶子损坏的风险，因为它们允许小叶片随着风摆动，而不是抵抗风。另一方面，在竞争激烈的森林中，较短的petiolules可能更具优势，因为它们允许更紧凑的叶子结构，从而最大化光吸收。 此外，petiolules的存在也可能对植物识别产生影响。植物学家通常依靠petiolules的特征——例如它们的长度、厚度和附着点——来区分密切相关的物种。例如，两种植物的叶子形状和大小可能相似，但petiolule的差异可以提供准确识别的重要线索。这强调了在植物研究中关注即使是最小细节的重要性。 除了它们的功能角色外，petiolules也可以为植物的美学方面做出贡献。许多园丁和植物爱好者欣赏叶子结构的多样性，包括各种形式的petiolules。一些植物，如某些蕨类植物的复杂设计，展示了精美排列的小叶片和独特的petiolules，增强了它们的观赏价值。这种对植物形态的欣赏不仅丰富了我们对自然的理解，也激发了景观设计和园艺中的创造力。 总之，术语petiolule可能指的是植物的一小部分，但其重要性不可低估。从帮助光合作用到在植物识别中发挥关键作用，再到为叶子的美丽做出贡献，petiolules是植物学的重要方面。通过研究这些小结构，我们获得了对植物生命复杂性和多样性的更深入见解。当我们继续探索自然世界时，让我们不要忽视每一个细节的重要性，无论它多么微小，都在我们追求知识和欣赏周围环境的过程中发挥着作用。