sepals

简明释义

英[ˈsiːpəlz]美[ˈsipəlz]

n. [植]萼片（sepal 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.Flowers: Sepals strongly ascending to appressed, longest 4 – 5 mm, corolla globose-urceolate, pentagonal, to 10 x 8 mm in diameter, petals apiculate, orange -red.

花：萼片紧密贴合在花上，最长约4-5毫米，花冠球瓮形，（正面观）五边形，10×8毫米直径，花瓣尖细，橘红色。

2.Flowers: Calyx pink at base, light green above, sepals ascending, very unequal, to 13 mm; petals valvate; corolla 7, 5-10 mm long, yellow above, orange below.

花：花萼基部粉色，上部浅绿色，萼片上翘，大小极为不均，最长约13毫米；花瓣镊合状；花冠7,5—长10毫米，上部黄色，下方为橙色。

3.Having all principal parts, namely, the sepals, petals, stamens, and pistil or pistils.

完整的花的具有全部基本器官的，即：花萼、花瓣、雄蕊和雌蕊。

4.The sepals under the flower wilted.

花朵下面的萼片枯萎了。

5.Woody vine of the southern United States having purple or blue flowers with leathery recurved sepals.

美国南部木藤植物，蓝紫色花上有似皮革的反曲的萼片。

6.Sepals contain several vascular bundles, and are thought to be derived from leaves.

根据萼片内的许多维管束结构，通常认为其由叶发育而成。

7.Each flower has rose-colored sepals and petals, the petals fringed and lined with long, pink whiskery hairs.

花萼和花瓣均为紫红色，花瓣边缘流苏状并有一排粉红色的胡须状长柔毛。

8.Leaves, bracts, sepals and outside of petals minutely papillose.

叶，苞片，萼片和花瓣均为磨砂质感。

9.Flowers: Sepals rounded at tips, corolla yellow, outside with red lines.

花：萼片圆尖，花冠黄色，外面有红线。

10.The flower's sepals 萼片 protect the developing bud from environmental damage.

花的萼片 sepals 保护着正在发育的花蕾免受环境损害。

11.In botany class, we learned that sepals 萼片 are often green and leaf-like.

在植物学课上，我们了解到萼片 sepals 通常是绿色且像叶子一样。

12.When examining a flower, the sepals 萼片 can be easily overlooked.

在检查一朵花时，萼片 sepals 很容易被忽视。

13.Some flowers have colorful sepals 萼片 that attract pollinators.

有些花的萼片 sepals 色彩鲜艳，可以吸引授粉者。

14.The sepals 萼片 of this plant are thicker than those of other species.

这种植物的萼片 sepals 比其他物种的要厚。

作文

Flowers are one of nature's most beautiful creations, and they come in various shapes, sizes, and colors. Among the many parts that make up a flower, the sepals are often overlooked but play a crucial role in the life cycle of a plant. The sepals (萼片) are the green leaf-like structures that encase the petals of a flower when it is in bud form. They serve as protective coverings, shielding the delicate petals from harsh environmental conditions such as wind, rain, and extreme temperatures. Without the sepals (萼片), the petals would be vulnerable to damage before they bloom, which could hinder the flower's ability to attract pollinators. The function of sepals (萼片) extends beyond mere protection. They also play a role in photosynthesis, especially in species where the sepals (萼片) remain green and functional even after the flower has opened. This allows the plant to continue to produce energy through sunlight, contributing to its overall health and growth. In some cases, the sepals (萼片) can even attract pollinators by changing color or shape, enhancing their function in the reproductive process of the plant. Different types of flowers exhibit varying characteristics in their sepals (萼片). For instance, in some species, the sepals (萼片) are brightly colored and resemble the petals, while in others, they may be small and inconspicuous. This diversity reflects the evolutionary adaptations of plants to their environments and the specific needs for reproduction. Flowers like orchids have highly specialized sepals (萼片) that can mimic the appearance of female insects, thus luring male insects for pollination. In gardening and horticulture, understanding the role of sepals (萼片) can help gardeners make informed decisions about plant care. For example, knowing that sepals (萼片) are essential for protecting flower buds can guide watering practices and placement in the garden. Proper care can ensure that the sepals (萼片) remain healthy, which in turn supports the blooming process and the overall vitality of the plant. Moreover, studying the structure and function of sepals (萼片) can provide insights into plant breeding and genetics. Scientists can analyze how different sepals (萼片) traits affect pollination success and fruit development, leading to advancements in agriculture and horticulture. By selecting for certain characteristics in sepals (萼片), breeders can create new flower varieties that are more resilient or have enhanced visual appeal. In conclusion, the sepals (萼片) of a flower may not be the most glamorous part, but they are vital for the plant's survival and reproduction. Their protective role, contribution to photosynthesis, and involvement in attracting pollinators highlight their importance in the ecosystem. Understanding the function of sepals (萼片) enriches our appreciation of flowers and the intricate relationships within nature. As we cultivate gardens and admire floral displays, let us remember the humble sepals (萼片) that support the beauty and diversity of the plant kingdom.

花是大自然最美丽的创造之一，形状、大小和颜色各异。在构成花的许多部分中，sepals（萼片）常常被忽视，但在植物的生命周期中却起着至关重要的作用。sepals（萼片）是包裹花瓣的绿色叶片状结构，在花蕾形成时保护着娇嫩的花瓣。它们作为保护覆盖物，遮挡住花瓣，避免受到风、雨和极端温度等恶劣环境条件的侵害。如果没有sepals（萼片），花瓣在开放之前就会受到损害，这可能会妨碍花朵吸引传粉者。 sepals（萼片）的功能不仅仅是保护。它们在光合作用中也发挥着作用，尤其是在那些即使花朵开放后仍然保持绿色和功能的sepals（萼片）物种中。这使得植物能够继续通过阳光产生能量，从而有助于其整体健康和生长。在某些情况下，sepals（萼片）甚至可以通过改变颜色或形状来吸引传粉者，从而增强它们在植物繁殖过程中的作用。 不同类型的花在其sepals（萼片）上表现出不同的特征。例如，在某些物种中，sepals（萼片）色彩鲜艳，类似于花瓣，而在其他物种中，它们可能小而不显眼。这种多样性反映了植物对其环境的进化适应及繁殖的具体需求。像兰花这样的花朵，其sepals（萼片）具有高度专业化的特征，可以模仿雌性昆虫的外观，从而诱使雄性昆虫进行传粉。 在园艺和园艺学中，了解sepals（萼片）的作用可以帮助园丁做出明智的植物护理决策。例如，知道sepals（萼片）对于保护花蕾至关重要，可以指导浇水方式和花园中的植物摆放。适当的护理可以确保sepals（萼片）保持健康，这反过来又支持开花过程和植物的整体活力。 此外，研究sepals（萼片）的结构和功能可以为植物育种和遗传学提供见解。科学家可以分析不同sepals（萼片）特征如何影响传粉成功率和果实发育，从而推动农业和园艺的进步。通过选择某些sepals（萼片）特征，育种者可以创造出更具韧性或视觉吸引力的新花卉品种。 总之，花朵的sepals（萼片）可能不是最华丽的部分，但它们对植物的生存和繁殖至关重要。它们的保护作用、对光合作用的贡献以及在吸引传粉者中的参与凸显了它们在生态系统中的重要性。理解sepals（萼片）的功能丰富了我们对花卉及自然界内部复杂关系的欣赏。当我们培育花园、欣赏花卉展示时，让我们记住那些支持植物王国美丽与多样性的谦逊sepals（萼片）。