petiolate

简明释义

英[ˈpetɪəˌleɪt]美[petɪˈolɪt]

adj. 有叶柄的

英英释义

单词用法

同义词

反义词

例句

1.Leaves alternate, petiolate, thinly leathery or papery, margin dentate in apical half , rarely entire, lateral veins 2 or 3 pairs, lowest triplinerved.

叶互生，具叶柄，薄革质或纸质，上半部边缘具牙齿，很少全缘，侧脉2或3对，低的离基三出脉。

2.Leaves alternate, petiolate; leaf blade ovate to linear, margin entire or nearly so.

叶互生，具叶柄；叶片卵形到线形，边缘全缘或近全缘。

3.Leaves alternate, usually simple, petiolate; leaf blade margin entire or sometimes crenate.

叶互生，通常单叶，具叶柄；叶片边缘全缘或有时具圆齿。

4.Leaves alternate, petiolate, thinly leathery or papery, margin dentate in apical half , rarely entire, lateral veins 2 or 3 pairs, lowest triplinerved.

叶互生，具叶柄，薄革质或纸质，上半部边缘具牙齿，很少全缘，侧脉2或3对，低的离基三出脉。

5.Trees or shrubs. Leaves petiolate, entire or serrate at margin.

乔木或灌木叶具叶柄，全缘的或有锯齿在边缘。

6.Leaves sessile or shortly petiolate, petiole to 5 mm; perianth tube not pubescent inside.

叶无柄或具短叶柄，对5毫米的叶柄；不青春期的花被筒在里面。

7.Leaves opposite or alternate, petiolate, margin entire.

叶对生或互生，具叶柄，边缘全缘。

8.The researcher noted that the petiolate characteristics of the leaves were crucial for the study.

研究人员指出，叶子的有柄特征对研究至关重要。

9.The leaves of the plant are petiolate, meaning they have a stalk that connects them to the stem.

这株植物的叶子是有柄的，意味着它们有一个茎连接到主干。

10.In botany, petiolate leaves are often easier to identify than sessile ones.

在植物学中，有柄的叶子通常比无柄的叶子更容易识别。

11.The petiolate nature of the leaves helps in reducing water loss during hot weather.

叶子的有柄特性有助于在炎热天气中减少水分流失。

12.Some species exhibit petiolate leaves which allow for better sunlight exposure.

一些物种表现出有柄的叶子，这样可以更好地接受阳光照射。

作文

In the world of botany, understanding the various characteristics of plants is crucial for both identification and classification. One such term that often comes up in discussions about plant morphology is petiolate. This term refers to leaves that are attached to the stem by a stalk called a petiole. The presence of a petiole can significantly influence the way a leaf functions and interacts with its environment. For instance, petiolate leaves can orient themselves towards sunlight more effectively than sessile leaves, which lack a petiole. This ability to adjust their angle allows petiolate leaves to maximize photosynthesis, ultimately benefiting the plant's growth and survival.In addition to their functional advantages, petiolate leaves also contribute to the aesthetic diversity of plant life. Many ornamental plants feature striking petiolate leaves, which can vary greatly in size, shape, and color. For example, the vibrant green leaves of the maple tree are petiolate and are known for their distinctive lobed shape. These leaves not only enhance the beauty of the tree but also serve important ecological roles, providing shade and habitat for various organisms.Moreover, petiolate leaves can also play a role in the plant's reproductive strategies. In some species, the length and strength of the petiole can affect the positioning of flowers and fruits, making them more accessible to pollinators or facilitating seed dispersal. This adaptability can give petiolate plants a competitive edge in their respective environments.Understanding the significance of petiolate leaves extends beyond mere botanical interest; it has practical implications as well. For instance, horticulturists and landscape designers often consider leaf attachment when selecting plants for specific locations. A plant with petiolate leaves may be better suited for areas with variable light conditions, as its leaves can adjust their orientation for optimal light capture.In conclusion, the term petiolate encompasses more than just a technical definition; it represents a critical aspect of plant biology that influences growth, aesthetics, and ecological interactions. By studying petiolate leaves and their characteristics, we gain valuable insights into the complex relationships between plants and their environments. Whether you are a botanist, a gardener, or simply an enthusiast of nature, recognizing the importance of petiolate leaves can deepen your appreciation for the incredible diversity of plant life around us.

在植物学的世界中，理解植物的各种特征对于识别和分类至关重要。其中一个常常出现在植物形态学讨论中的术语是petiolate。这个术语指的是通过称为叶柄的茎连接的叶子。叶柄的存在可以显著影响叶子的功能及其与环境的相互作用。例如，petiolate叶子可以比缺乏叶柄的无柄叶更有效地朝向阳光调整自己的方向。这种调整角度的能力使得petiolate叶子能够最大化光合作用，从而最终有利于植物的生长和生存。除了功能上的优势，petiolate叶子还为植物生命的美学多样性做出了贡献。许多观赏植物具有引人注目的petiolate叶子，这些叶子的大小、形状和颜色差异很大。例如，枫树的鲜绿色叶子是petiolate的，以其独特的分裂形状而闻名。这些叶子不仅增强了树木的美观，还在生态上发挥着重要作用，为各种生物提供阴影和栖息地。此外，petiolate叶子在植物的繁殖策略中也可以发挥作用。在某些物种中，叶柄的长度和强度可以影响花朵和果实的位置，使它们对授粉者更易接近或促进种子的传播。这种适应性可以使petiolate植物在各自的环境中占据竞争优势。理解petiolate叶子的意义不仅仅是出于植物学的兴趣；它还有实际的应用意义。例如，园艺师和景观设计师在选择特定地点的植物时，往往会考虑叶子的附着方式。具有petiolate叶子的植物可能更适合光照条件变化的区域，因为它的叶子可以调整方向以获得最佳的光捕获。总之，术语petiolate包含的不仅仅是一个技术定义；它代表了植物生物学的一个关键方面，影响着生长、美学和生态相互作用。通过研究petiolate叶子及其特征，我们获得了关于植物与其环境之间复杂关系的宝贵见解。无论你是植物学家、园丁，还是自然爱好者，认识到petiolate叶子的重要性都可以加深你对我们周围植物生命惊人多样性的欣赏。