phyllode

简明释义

英[ˈfɪləʊd]美[ˈfɪloʊd]

n. [植] 叶状柄

英英释义

单词用法

同义词

反义词

例句

1.Phyllode an expanded flattened petiole that ACTS as the photosynthetic organ if the lamina is missing or very reduced. Phyllodes are seen in various Australian species of Acacia.

一种伸展、扁平的叶柄，如果叶片缺失或退化则作为光合器官起作用。叶状柄在各种澳洲的金合欢属中较为常见。

2.Phyllode an expanded flattened petiole that ACTS as the photosynthetic organ if the lamina is missing or very reduced. Phyllodes are seen in various Australian species of Acacia.

一种伸展、扁平的叶柄，如果叶片缺失或退化则作为光合器官起作用。叶状柄在各种澳洲的金合欢属中较为常见。

3.Botanists study phyllodes to understand how plants adapt to different climates.

植物学家研究腺叶以了解植物如何适应不同的气候。

4.The Acacia tree has modified leaves known as phyllodes, which serve the same function as leaves.

金合欢树有一种称为腺叶的改良叶子，起到与叶子相同的功能。

5.The flattened structure of a phyllode allows for greater light absorption.

一个腺叶的扁平结构可以更好地吸收光线。

6.The phyllodes of some species can photosynthesize effectively despite being leaf-like structures.

某些物种的腺叶尽管是类似叶子的结构，但仍能有效进行光合作用。

7.In dry environments, plants often develop phyllodes to reduce water loss.

在干燥的环境中，植物通常会发展出腺叶以减少水分流失。

作文

In the study of botany, one comes across various terms that describe the unique adaptations of plants. One such term is phyllode, which refers to a flattened leaf stem that functions like a leaf. This adaptation is particularly fascinating as it allows certain plants to thrive in arid environments where traditional leaves may be too vulnerable to water loss. The structure of a phyllode can vary significantly among different species, but it generally resembles a leaf in shape and function, providing the plant with the ability to photosynthesize effectively. The term phyllode is derived from the Greek words 'phyllon', meaning leaf, and 'eidos', meaning form or shape. This etymology reflects the essential characteristics of these structures, which mimic leaves while serving a distinct purpose. Many plants that exhibit phyllodes are found in Australia, such as species of Acacia. These plants have adapted to their environment by developing phyllodes that can withstand harsh conditions, including extreme temperatures and limited water availability.One of the most remarkable aspects of phyllodes is their ability to reduce water loss. Traditional leaves often have a high surface area that can lead to increased transpiration, especially in hot climates. In contrast, phyllodes tend to have a more streamlined shape, which minimizes the surface area exposed to the sun and reduces water evaporation. This adaptation is crucial for survival in areas where water is scarce, allowing these plants to maintain their physiological processes even under stress.Moreover, phyllodes are not just passive structures; they play an active role in the plant's overall health and growth. By performing photosynthesis, they generate energy that fuels the plant's metabolic activities. The efficiency of phyllodes in capturing sunlight can be seen in the lush green colors of many Acacia species, which thrive in their native habitats. The presence of phyllodes is a clear indicator of a plant's adaptation to its environment, showcasing the incredible diversity of strategies that plants employ to survive.In addition to their functional benefits, phyllodes also contribute to the aesthetic value of plants. Many people appreciate the unique shapes and forms that these structures create, adding visual interest to gardens and landscapes. For instance, when planted in groups, Acacia trees with their distinctive phyllodes can create a striking silhouette against the sky, especially during sunset.In conclusion, understanding the concept of phyllode enriches our appreciation of plant biology and the remarkable adaptations that allow life to flourish in diverse environments. The study of phyllodes exemplifies the intricate relationship between plants and their ecosystems, highlighting how evolution shapes the forms and functions of living organisms. As we continue to explore the wonders of botany, the term phyllode will undoubtedly remain a significant part of our vocabulary, representing the ingenuity of nature in overcoming challenges for survival.

在植物学的研究中，人们会遇到许多术语，这些术语描述了植物独特的适应性。其中一个术语是phyllode，指的是一种扁平的叶柄，具有像叶子一样的功能。这种适应性特别引人入胜，因为它使某些植物能够在干旱的环境中生存，而传统的叶子可能过于脆弱，容易失水。phyllode的结构在不同物种之间可能有显著差异，但通常在形状和功能上类似于叶子，能够有效地进行光合作用。phyllode这个术语源自希腊语单词'phyllon'，意思是叶子，以及'eidos'，意思是形式或形状。这种词源反映了这些结构的基本特征，它们模仿叶子的形态，同时发挥着独特的作用。许多表现出phyllodes的植物在澳大利亚被发现，例如金合欢属的物种。这些植物通过发展出能够承受恶劣条件的phyllodes，以适应其环境，包括极端温度和有限的水源。phyllodes最显著的方面之一是它们减少水分流失的能力。传统的叶子通常具有较大的表面积，这可能导致蒸腾作用增加，尤其是在炎热的气候中。相比之下，phyllodes往往具有更流线型的形状，从而最小化暴露在阳光下的表面积，减少水分蒸发。这种适应性对于在缺水地区的生存至关重要，使这些植物即使在压力下也能维持生理过程。此外，phyllodes不仅仅是被动的结构；它们在植物的整体健康和生长中发挥着积极的作用。通过进行光合作用，它们产生为植物的新陈代谢活动提供能量。许多金合欢物种的phyllodes在捕捉阳光方面的效率可以从它们郁郁葱葱的绿色中看出，它们在原生栖息地中茁壮成长。phyllodes的存在清楚地表明了植物对其环境的适应，展示了植物为生存所采用的策略的惊人多样性。除了功能性好处外，phyllodes也为植物的美学价值做出了贡献。许多人欣赏这些结构所创造的独特形状和形式，为花园和景观增添了视觉趣味。例如，当成群种植时，拥有独特phyllodes的金合欢树可以在天空中创造出引人注目的轮廓，特别是在日落时分。总之，理解phyllode这一概念丰富了我们对植物生物学的欣赏以及使生命在多样环境中蓬勃发展的卓越适应性。对phyllodes的研究体现了植物与其生态系统之间复杂的关系，突显了进化如何塑造生物体的形态和功能。随着我们继续探索植物学的奇迹，phyllode这个术语无疑将继续成为我们词汇的重要组成部分，代表自然在克服生存挑战方面的聪明才智。