broomrape

简明释义

英[ˈbruːmˌreɪp]美[brʊmˌreɪp;ˈbruːmˌreɪp]

n. 列当属植物；（美）肉蓰蓉

英英释义

单词用法

同义词

反义词

例句

1.Any of various parasitic herbs of the genus Orobanche, having purplish or yellowish flowers and small scalelike leaves that lack chlorophyll. Broomrape grows on the roots of various plants.

列当属植物一种列当属寄生草，开紫色或黄色花、长有不含叶绿素的鳞状小叶，列当属植物生长在各种植物的根上。

2.Any of various parasitic herbs of the genus Orobanche, having purplish or yellowish flowers and small scalelike leaves that lack chlorophyll. Broomrape grows on the roots of various plants.

列当属植物一种列当属寄生草，开紫色或黄色花、长有不含叶绿素的鳞状小叶，列当属植物生长在各种植物的根上。

3.The garden was overrun by broomrape, a parasitic plant that drains nutrients from surrounding flora.

花园里被扫帚草侵袭，这是一种从周围植物中吸取养分的寄生植物。

4.Farmers are concerned about the spread of broomrape in their fields, as it can severely affect crop yields.

农民们对田地里扫帚草的传播感到担忧，因为它会严重影响作物产量。

5.Researchers are studying the genetics of broomrape to find ways to control its growth.

研究人员正在研究扫帚草的遗传学，以寻找控制其生长的方法。

6.In some regions, broomrape is considered a delicacy, despite its parasitic nature.

在某些地区，尽管其寄生特性，扫帚草被视为一种美味佳肴。

7.The presence of broomrape can indicate poor soil health and a lack of nutrients.

出现扫帚草可能表明土壤健康状况不佳和缺乏养分。

作文

The world of plants is incredibly diverse, with each species playing a unique role in the ecosystem. Among these fascinating plants is the broomrape, a parasitic plant belonging to the family Orobanchaceae. The broomrape (orobanche) is known for its striking appearance and intriguing life cycle. Unlike most plants that produce their own food through photosynthesis, broomrape relies on its host plants for nutrients. This unique characteristic makes it a subject of interest for botanists and nature enthusiasts alike. Broomrape typically grows in sandy or disturbed soils and can often be found in areas where its host plants thrive. The plant lacks chlorophyll, which is why it cannot perform photosynthesis. Instead, it attaches itself to the roots of other plants, such as legumes and grasses, drawing water and nutrients directly from them. This parasitic relationship can be detrimental to its host, leading to stunted growth or even death in severe cases. One of the most fascinating aspects of broomrape is its reproductive strategy. The plant produces small, tubular flowers that can vary in color from yellow to purple. These flowers are often pollinated by insects, which are attracted to their vibrant colors and nectar. Once pollinated, the flowers develop seeds that can remain dormant in the soil for years, waiting for the right conditions to germinate. When they do, they seek out the roots of suitable host plants, continuing the cycle of parasitism. The ecological impact of broomrape is significant. In some regions, it can become invasive, threatening local flora and disrupting ecosystems. Farmers often consider broomrape a pest, particularly in agricultural settings where crops are vulnerable to its parasitic behavior. Efforts to control broomrape populations include crop rotation, the use of herbicides, and biological control methods involving natural predators. Despite its reputation as a problematic plant, broomrape also plays a role in biodiversity. It serves as a food source for certain insects and can contribute to the overall health of some ecosystems by promoting plant diversity. Understanding the complex relationships between broomrape and its host plants is essential for managing its impact on agriculture and conserving native plant species. In conclusion, the broomrape is a remarkable example of nature's complexity. Its unique adaptations and interactions with other plants highlight the intricate balance within ecosystems. While it poses challenges for agriculture, it also serves as a reminder of the importance of biodiversity and the need for sustainable practices in managing plant life. As we continue to study and understand plants like broomrape, we gain valuable insights into the delicate web of life that sustains our environment.

植物的世界是极其多样化的，每个物种在生态系统中扮演着独特的角色。在这些迷人的植物中，有一种寄生植物被称为broomrape，属于鸢尾科。broomrape（鸢尾）因其引人注目的外观和有趣的生命周期而闻名。与大多数通过光合作用自给自足的植物不同，broomrape依赖其寄主植物获取养分。这一独特的特性使其成为植物学家和自然爱好者关注的对象。 Broomrape通常生长在沙质或干扰的土壤中，常常可以在其寄主植物繁茂的地方找到。该植物缺乏叶绿素，这就是它无法进行光合作用的原因。因此，它依附在其他植物的根部，如豆科植物和禾本科植物上，直接从中吸取水分和养分。这种寄生关系可能对寄主植物造成伤害，导致生长受阻甚至在严重情况下死亡。 Broomrape最引人入胜的方面之一是它的繁殖策略。该植物产生小型管状花朵，颜色从黄色到紫色不等。这些花朵通常由昆虫授粉，昆虫被其鲜艳的颜色和花蜜所吸引。一旦授粉，花朵会发展出种子，这些种子可以在土壤中保持休眠多年，等待合适的条件发芽。当它们发芽时，会寻找合适寄主植物的根部，继续寄生的循环。 Broomrape的生态影响是显著的。在某些地区，它可能会变得具有侵略性，威胁到当地的植物群落并破坏生态系统。农民通常将broomrape视为害虫，特别是在作物易受其寄生行为影响的农业环境中。控制broomrape种群的努力包括轮作、使用除草剂以及涉及自然捕食者的生物控制方法。 尽管作为问题植物的声誉，broomrape也在生物多样性中发挥着作用。它为某些昆虫提供了食物来源，并且可以通过促进植物多样性来促进一些生态系统的整体健康。理解broomrape与其寄主植物之间复杂的关系对于管理其对农业的影响和保护本地植物物种至关重要。 总之，broomrape是自然复杂性的一个显著例子。它独特的适应性和与其他植物的相互作用突显了生态系统内的微妙平衡。虽然它对农业构成挑战，但它也提醒我们生物多样性的重要性以及在管理植物生命时可持续实践的必要性。随着我们继续研究和理解像broomrape这样的植物，我们获得了关于维持我们环境的生命网络的重要见解。