caudex

简明释义

英[ˈkɔːdeks]美[ˈkɔdeks]

n. 草本植物主轴；木本植物的茎基

复 数 c a u d i c e s 或 c a u d e x e s

英英释义

单词用法

同义词

反义词

例句

1.Herbs perennial, annual, or biennial, acaulescent, rarely caulescent with ascending or decumbent shoots from a caudex.

多年生草本，一年生草本，二年生草本，无茎的或，具茎具上升或外倾嫩枝从一块根那里的很少。

2.Alfalfa, which is a kind of perennial leguminous caudex, is the best and most important leguminous grass in the world.

苜蓿为豆科多年生草本植物，是世界上最优良最重要的豆科牧草。

3.A simple caudex (enlarged stem base) or creeping rhizomes can be present.

简单甘草(扩大干基)或匍匐根茎可以赞成。

4.Plant shrubby, caudex branching, to 50 cm tall or more, 8-15 mm thick, pale green and glaucous above, darker below, leaf scars lenticular.

植株灌木型，茎多分枝，可长至50厘米高或更高，茎干8到15毫米粗，淡绿色，有白霜，近根处色深暗，叶痕呈双凸形。

5.Root cylindric, to 2 cm in diam. Caudex short, simple or rarely branched.

圆筒状的根，在2厘米直径块根短，单或很少分枝。

6.The antisepsis result showed that: It is very important to get the asepsis explant. Because the sterilized effect can affect the growth of caudex and callus.

菘蓝再生体系培养表明：获得无菌苗的外植体是植物组织培养中最基础的一环，因此外植体的灭菌效果和愈伤组织与芽的诱导率直接影响着试验的进程。

7.The antisepsis result showed that: It is very important to get the asepsis explant. Because the sterilized effect can affect the growth of caudex and callus.

菘蓝再生体系培养表明：获得无菌苗的外植体是植物组织培养中最基础的一环，因此外植体的灭菌效果和愈伤组织与芽的诱导率直接影响着试验的进程。

8.Used to weight the flax fiber or flax caudex sample.

用于定量称重亚麻的纤维或麻茎试样。

9.The caudex can be propagated by cuttings, allowing for the growth of new plants.

可以通过插枝繁殖caudex，从而促进新植物的生长。

10.In succulent plants, the caudex serves as a water storage organ during dry seasons.

在多肉植物中，caudex作为干旱季节的水分储存器官。

11.The caudex of the tree was thick and gnarled, indicating its age and resilience.

这棵树的caudex粗壮而扭曲，显示出它的年龄和韧性。

12.The botanist examined the caudex of the rare plant species to understand its growth patterns.

植物学家检查了这种稀有植物的caudex以了解其生长模式。

13.Some gardeners prefer plants with a prominent caudex for their unique aesthetic appeal.

一些园丁喜欢具有明显caudex的植物，因为它们独特的美学吸引力。

作文

In the study of botany, understanding the structure and function of various plant parts is essential. One such term that often comes up in discussions about plant anatomy is caudex, which refers to a thickened, woody stem or trunk of certain plants, particularly those that are perennial. The caudex serves as a storage organ, allowing the plant to survive adverse conditions such as drought or cold temperatures. This unique structure is not just an adaptation but a vital component of the plant's life cycle. Plants with a well-developed caudex can often be found in arid environments, where water availability is limited. For instance, species like the Madagascar palm (Pachypodium) and the bottle tree (Adansonia) showcase remarkable caudex formations. These plants have evolved to store water within their caudex, enabling them to endure long periods without rainfall. The ability to conserve water is crucial for survival in harsh climates, and the caudex plays a significant role in this process.Furthermore, the caudex also contributes to the overall stability and growth of the plant. As the plant ages, the caudex can increase in size, providing a robust base from which branches and leaves can grow. This stability is essential for supporting the plant's weight and preventing it from toppling over in strong winds or heavy rains. In many cases, the size and shape of the caudex can even be used to identify different species of plants, as each has its unique characteristics.In addition to its functional importance, the caudex can also have aesthetic value. Many gardeners and plant enthusiasts appreciate the unique appearance of plants with prominent caudex structures. The visual appeal of these plants can enhance landscapes and add diversity to gardens. Some people even cultivate plants specifically for their caudex, showcasing them as ornamental features in their homes or yards.Moreover, the study of caudex in relation to climate change is becoming increasingly relevant. As global temperatures rise and weather patterns shift, understanding how plants adapt their caudex and other structures to cope with changing environmental conditions is crucial. Research into the resilience of caudex-bearing plants may provide insights into how ecosystems can maintain biodiversity in the face of climate challenges.In conclusion, the term caudex encompasses more than just a botanical definition; it represents a critical aspect of plant survival and adaptation. Whether through its role in water storage, structural support, or aesthetic appeal, the caudex is integral to the life of many plants. As we continue to explore the complexities of plant biology, the caudex will undoubtedly remain a focal point of interest for botanists, horticulturists, and nature enthusiasts alike. Understanding this term enriches our appreciation of the intricate relationships between plants and their environments, highlighting the remarkable adaptations that enable life to thrive in diverse conditions.

在植物学研究中，理解各种植物部位的结构和功能至关重要。在讨论植物解剖时，常常会提到一个术语——caudex，它指的是某些植物（特别是多年生植物）的一种增厚的木质茎或树干。caudex作为储存器官，使植物能够在干旱或寒冷等不利条件下生存。这种独特的结构不仅是一种适应性，而是植物生命周期中的重要组成部分。具有发达的caudex的植物通常可以在干旱环境中找到。例如，马达加斯加棕榈（Pachypodium）和瓶子树（Adansonia）展示了显著的caudex形态。这些植物已经进化出能够在其caudex内储存水分，从而使它们能够在长时间没有降雨的情况下生存。保持水分的能力对在恶劣气候中生存至关重要，而caudex在这一过程中发挥着重要作用。此外，caudex还为植物的整体稳定性和生长做出了贡献。随着植物的生长，caudex可以增大，为分枝和叶子的生长提供稳固的基础。这种稳定性对于支持植物的重量以及防止其在强风或暴雨中倾倒至关重要。在许多情况下，caudex的大小和形状甚至可以用于识别不同物种的植物，因为每种植物都有其独特的特征。除了功能上的重要性，caudex也具有美学价值。许多园丁和植物爱好者欣赏具有显著caudex结构的植物的独特外观。这些植物的视觉吸引力可以增强风景，并为花园增添多样性。有些人甚至专门培养植物以展示其caudex，将其作为家中或庭院中的装饰特色。此外，研究caudex与气候变化的关系变得越来越重要。随着全球气温上升和天气模式的变化，理解植物如何调整其caudex及其他结构以应对变化的环境条件至关重要。对具有caudex的植物韧性的研究可能为我们提供洞察，以了解生态系统如何在气候挑战面前保持生物多样性。总之，caudex这个术语不仅仅包含植物学定义；它代表了植物生存和适应的重要方面。无论是通过其在水分储存、结构支持或美学吸引力中的作用，caudex都是许多植物生命的核心。随着我们继续探索植物生物学的复杂性，caudex无疑将继续成为植物学家、园艺师和自然爱好者关注的焦点。理解这个术语丰富了我们对植物与其环境之间复杂关系的欣赏，突显了使生命在多样条件下蓬勃发展的非凡适应能力。