labellum

简明释义

英[ləˈbeləm]美[ləˈbeləm]

n. （兰花的）[植][昆] 唇瓣

复 数 l a b e l l a

英英释义

单词用法

同义词

反义词

例句

1.The orchid's unique shape is largely due to its distinctive labellum, which attracts pollinators.

这种兰花独特的形状主要得益于其独特的唇瓣，它吸引了传粉者。

2.In botany, the labellum serves as a landing platform for insects.

在植物学中，唇瓣作为昆虫的着陆平台。

3.The color and texture of the labellum can vary greatly among different species of orchids.

不同种类的兰花之间，唇瓣的颜色和质地可能差异很大。

4.Some orchids have evolved their labellum to mimic the appearance of female insects.

一些兰花已经进化出模仿雌性昆虫外观的唇瓣。

5.The labellum is often brightly colored to attract potential pollinators.

唇瓣通常颜色鲜艳，以吸引潜在的传粉者。

作文

The world of botany is filled with fascinating terms that describe the intricate structures and functions of plants. One such term is labellum, which refers to a specialized petal found in certain flowers, particularly orchids. The labellum plays a crucial role in the reproductive process of these plants, serving as a landing platform for pollinators and facilitating the transfer of pollen. Understanding the significance of the labellum not only enhances our appreciation of floral diversity but also highlights the complex relationships between plants and their pollinators. In orchids, the labellum is often more elaborately shaped and colored than the other petals. This unique morphology is designed to attract specific pollinators, such as bees, butterflies, or hummingbirds. For instance, the labellum may feature vivid colors, striking patterns, or even mimic the appearance of female insects to lure male pollinators. Such adaptations are a testament to the evolutionary strategies employed by orchids to ensure successful reproduction. Moreover, the labellum can vary significantly among different orchid species. Some have a flat and broad labellum, while others possess a tubular or elongated structure. This diversity not only serves aesthetic purposes but also influences the type of pollinator that is attracted to the flower. For example, a wide labellum may accommodate larger pollinators, while a slender one might be better suited for smaller insects. This specialization underscores the intricate co-evolutionary dynamics between orchids and their pollinators, where each party adapts to the needs and behaviors of the other. The role of the labellum extends beyond mere attraction; it is also integral to the mechanics of pollination. When a pollinator lands on the labellum, its weight can trigger a mechanism that releases pollen onto the insect. As the pollinator moves from flower to flower, it inadvertently transfers this pollen, leading to fertilization and the production of seeds. This process is vital for the continuation of many plant species and showcases the importance of the labellum in the broader ecosystem. In addition to its biological significance, the labellum has captured the interest of botanists and horticulturists alike. Many enthusiasts study the various forms and functions of the labellum to better understand plant evolution and diversity. Knowledge of the labellum can also aid in conservation efforts, as preserving the habitats of specific orchids ensures that their unique pollination strategies continue to thrive. In conclusion, the term labellum represents more than just a botanical feature; it symbolizes the intricate interplay between flora and fauna. By examining the labellum and its multifaceted roles, we gain insight into the complexities of nature and the delicate balance that sustains it. Whether you are a seasoned botanist or a curious observer, appreciating the labellum enriches our understanding of the natural world and the wonders it holds.

植物学的世界充满了迷人的术语，这些术语描述了植物的复杂结构和功能。其中一个术语是labellum，指的是某些花朵中发现的一种特化花瓣，特别是在兰花中。labellum在这些植物的繁殖过程中起着至关重要的作用，充当授粉者的着陆平台，并促进花粉的转移。理解labellum的重要性不仅增强了我们对花卉多样性的欣赏，还突显了植物与其授粉者之间复杂的关系。 在兰花中，labellum通常比其他花瓣形状更复杂，颜色更鲜艳。这种独特的形态旨在吸引特定的授粉者，例如蜜蜂、蝴蝶或蜂鸟。例如，labellum可能具有鲜艳的颜色、引人注目的图案，甚至模仿雌性昆虫的外观，以诱惑雄性授粉者。这种适应性是兰花确保成功繁殖所采用的进化策略的证明。 此外，不同兰花物种的labellum可能会有显著差异。有些具有平坦而宽大的labellum，而另一些则拥有管状或细长的结构。这种多样性不仅服务于审美目的，还影响吸引到的授粉者类型。例如，宽大的labellum可能适合较大的授粉者，而细长的可能更适合较小的昆虫。这种专业化强调了兰花与其授粉者之间错综复杂的共同进化动态，其中每一方都适应了对方的需求和行为。 labellum的作用不仅限于吸引；它也是授粉机制的关键。当地面上的授粉者落在labellum上时，其重量可以触发释放花粉的机制。当授粉者在花朵之间移动时，它无意中转移了这些花粉，导致受精和种子的产生。这个过程对许多植物物种的延续至关重要，并展示了labellum在更广泛生态系统中的重要性。 除了生物学意义外，labellum还吸引了植物学家和园艺爱好者的兴趣。许多爱好者研究labellum的各种形式和功能，以更好地理解植物的进化和多样性。了解labellum也有助于保护工作，因为保护特定兰花的栖息地确保了它们独特的授粉策略得以持续。 总之，术语labellum代表的不仅仅是一个植物特征；它象征着植物与动物之间复杂的相互作用。通过研究labellum及其多方面的角色，我们获得了对自然复杂性的洞察，以及维持这种平衡的微妙关系。无论你是经验丰富的植物学家还是好奇的观察者，欣赏labellum都会丰富我们对自然世界及其奇观的理解。