spadix

简明释义

英[ˈspeɪdɪks]美[ˈspeɪdɪks]

n. [植] 肉穗花序

复 数 s p a d i x e s 或 s p a d i c e s

英英释义

单词用法

同义词

反义词

例句

1.The flower of the peace lily features a prominent spadix, which is surrounded by a white spathe.

和平百合的花朵有一个显著的花柱，周围环绕着白色的苞片。

2.In many species of the Araceae family, the spadix is crucial for reproduction.

在许多天南星科植物中，花柱对繁殖至关重要。

3.During the summer, the spadix of the calla lily attracts many pollinators.

在夏季，马蹄莲的花柱吸引了许多授粉者。

4.The unique structure of the spadix allows for efficient pollen dispersal.

这种花柱的独特结构使得花粉传播更加高效。

5.The spadix of the jackfruit tree can grow quite large, often exceeding 30 centimeters in length.

菠萝蜜树的花柱可以长得相当大，通常超过30厘米。

作文

In the world of botany, understanding the various structures of plants is essential for both students and enthusiasts alike. One such structure that often piques interest is the spadix, which is a unique floral arrangement found in certain species of flowering plants. The spadix is typically a fleshy spike that bears small flowers closely packed together, often surrounded by a specialized leaf structure known as a spathe. This combination creates a visually striking display that can be both beautiful and intriguing. The spadix is most commonly associated with plants in the Araceae family, which includes well-known species such as the peace lily and the calla lily. These plants are often appreciated for their ornamental value, but their reproductive structures, including the spadix, play a crucial role in their lifecycle. The flowers on a spadix are usually unisexual, meaning that they may be either male or female, and they can produce pollen or ovules, respectively. This arrangement facilitates pollination, often attracting specific pollinators that are drawn to the unique shape and scent of the spadix. The ecological significance of the spadix cannot be overstated. Many plants with this structure have evolved to thrive in specific environments, and their reproductive strategies reflect adaptations to those conditions. For instance, some spadix-bearing plants may release their pollen at night, when nocturnal pollinators, such as certain species of beetles or moths, are active. This timing increases the chances of successful fertilization and seed production. Moreover, the spadix often has a fascinating relationship with temperature. In some species, the spadix can generate heat, which helps to attract pollinators by creating a warmer microenvironment around the flowers. This thermogenic property is particularly evident in plants like the titan arum, renowned for producing one of the largest flowers in the world and for its strong odor, reminiscent of rotting flesh, which attracts carrion beetles for pollination. Culturally, the spadix holds significance in various societies. For example, in some tropical regions, plants with spadix structures are used in traditional medicine, while others serve as important food sources. The versatility of plants featuring a spadix highlights their importance not only in natural ecosystems but also in human culture and economy. In conclusion, the spadix is more than just a botanical term; it represents a remarkable adaptation in the plant kingdom that showcases the intricate relationships between plants and their environments. Understanding the spadix and its functions can deepen our appreciation for the diversity of plant life and the complex mechanisms that sustain it. As we continue to explore the wonders of botany, the spadix serves as a reminder of nature's ingenuity and the importance of preserving these unique species for future generations.

在植物学的世界中，理解植物的各种结构对于学生和爱好者来说都是至关重要的。一个常常引起兴趣的结构是spadix，这是一种独特的花卉排列，存在于某些种类的开花植物中。spadix通常是一个肉质的尖峰，上面密集地生长着小花，通常被一种称为苞叶的特殊叶结构包围。这种组合形成了一个视觉上引人注目的展示，既美丽又令人着迷。spadix最常与天南星科的植物相关联，其中包括众所周知的和平百合和卡拉百合。这些植物因其观赏价值而受到喜爱，但它们的生殖结构，包括spadix，在它们的生命周期中发挥着至关重要的作用。spadix上的花通常是单性花，这意味着它们可以是雄性或雌性，并且分别可以产生花粉或胚珠。这种排列促进了授粉，通常吸引特定的传粉者，这些传粉者被spadix独特的形状和气味所吸引。spadix的生态重要性不容小觑。许多具有这种结构的植物已进化以在特定环境中繁茂，它们的生殖策略反映了对这些条件的适应。例如，一些具有spadix的植物可能在夜间释放花粉，此时夜行性传粉者，如某些甲虫或蛾子，活跃。这种时机增加了成功授粉和种子生产的机会。此外，spadix往往与温度有着迷人的关系。在某些物种中，spadix能够产生热量，这有助于通过在花朵周围创造一个更温暖的微环境来吸引传粉者。这种热发生特性在泰坦魔芋等植物中尤为明显，该植物因其产生的世界上最大的花之一而闻名，并因其强烈的气味（类似腐烂的肉）而吸引腐尸甲虫进行授粉。在文化上，spadix在不同社会中具有重要意义。例如，在一些热带地区，具有spadix结构的植物用于传统医学，而其他植物则作为重要的食物来源。具有spadix的植物的多样性突显了它们在自然生态系统以及人类文化和经济中的重要性。总之，spadix不仅仅是一个植物学术语；它代表了植物王国中的一种非凡适应，展示了植物与其环境之间错综复杂的关系。理解spadix及其功能可以加深我们对植物生命多样性的欣赏以及维持这种多样性的复杂机制。随着我们继续探索植物学的奇迹，spadix提醒我们自然的聪明才智以及保护这些独特物种以造福后代的重要性。