oblanceolate

简明释义

英[/ˌoʊ.blænˈsoʊ.lɪt/]美[/ˌoʊ.blænˈsoʊ.lɪt/]

adj. （植）倒披针形的

英英释义

单词用法

同义词

反义词

例句

1.Leaves 15 - 20, ovate to obovate or oblanceolate, acute or obtuse, 6 x 2.7 cm, to 3 mm thick, dark olive green tinged purple, with transverse and longitudinal markings.

叶15～20，卵形到倒卵形或倒披针形，有锐尖或钝圆，6×2.7厘米，3毫米厚，深橄榄绿色微染紫色，有横向和纵向的暗纹。

2.Leaves 15 - 20, ovate to obovate or oblanceolate, acute or obtuse, 6 x 2.7 cm, to 3 mm thick, dark olive green tinged purple, with transverse and longitudinal markings.

叶15～20，卵形到倒卵形或倒披针形，有锐尖或钝圆，6×2.7厘米，3毫米厚，深橄榄绿色微染紫色，有横向和纵向的暗纹。

3.Leaves alternate, oblanceolate, obtuse, sessile, semiterete; flowering branches simple, erect, sparsely leafy, 5 – 12 (- 15) cm.

叶互生，倒披针形，钝，无柄，半圆柱形；花序简单，直立，几乎无花序叶，5–12（-15）厘米高。

4.Leaves diffuse along the stem or subrosulate, oblanceolate, cuspidate, 3 – 6 x 1 – 2,4 cm, 6 - 8 mm thick, green, margin red.

叶沿茎松散生长或成半莲座型，叶倒披针形，骤尖，3 -6厘米长1 -2，4厘米宽，6-8毫米厚，绿色，叶缘红。

5.Leaf blade oblanceolate, to 20 cm, apex obtuse or rounded.

倒披针形的叶片，在20厘米，先端钝的或圆形。

6.The leaves of the plant are characterized by their oblanceolate shape, which is wider at the tip than at the base.

这种植物的叶子具有倒匙形的特征，顶部比底部宽。

7.In botany, an oblanceolate leaf can often be found in species adapted to specific environmental conditions.

在植物学中，倒匙形叶通常可以在适应特定环境条件的物种中找到。

8.The flower features oblanceolate petals that attract pollinators with their unique shape.

这朵花的花瓣呈现倒匙形，以其独特的形状吸引授粉者。

9.During the field study, we noted that the oblanceolate leaves provided more surface area for photosynthesis.

在野外研究中，我们注意到倒匙形的叶子提供了更大的光合作用表面积。

10.The oblanceolate structure of the leaf helps in efficient water retention in arid climates.

在干旱气候中，叶子的倒匙形结构有助于有效保持水分。

作文

In the world of botany, the shape and structure of leaves play a crucial role in identifying different plant species. One such leaf shape that often intrigues botanists and plant enthusiasts alike is the oblanceolate leaf. The term oblanceolate refers to a specific leaf shape that is wider at the tip than at the base, resembling an inverted lance. This unique morphology can be found in various plant families, and understanding it can provide insights into the adaptive strategies of different species. For instance, many plants that exhibit oblanceolate leaves are typically adapted to environments where maximizing sunlight capture is essential for survival. The broader end of the leaf allows for a larger surface area to absorb sunlight, which is vital for photosynthesis. In contrast, the narrower base helps reduce water loss by minimizing the amount of leaf surface exposed to the air. This adaptation is particularly beneficial in arid climates where water conservation is critical. An example of a plant with oblanceolate leaves is the Eucalyptus species, which are well-known for their distinctive foliage. The oblanceolate leaves of Eucalyptus not only aid in photosynthesis but also contribute to the plant's ability to thrive in harsh conditions. These leaves are often aromatic, which can deter herbivores and attract pollinators, showcasing another layer of ecological adaptation. Moreover, the study of oblanceolate leaves extends beyond mere identification; it also touches on evolutionary biology. Researchers often analyze leaf shapes, including oblanceolate, to understand how plants have evolved in response to their environment over millions of years. By examining the relationship between leaf morphology and environmental factors, scientists can infer how plants might adapt to future climate changes. In addition to their ecological significance, oblanceolate leaves also hold aesthetic value. Gardeners and landscape designers often seek out plants with unique leaf shapes to create visually appealing spaces. The elegant form of oblanceolate leaves can add texture and contrast to gardens, making them a favorite among horticulturists. Furthermore, the cultural significance of plants with oblanceolate leaves cannot be overlooked. In many cultures, certain plants are revered for their medicinal properties or symbolic meanings. For instance, the use of Eucalyptus in traditional medicine highlights the importance of understanding leaf morphology in relation to their practical applications. This connection between morphology and utility exemplifies the intricate relationship between humans and the plant kingdom. In conclusion, the term oblanceolate encapsulates more than just a leaf shape; it represents a convergence of ecological adaptation, evolutionary history, aesthetic appreciation, and cultural significance. By delving into the characteristics of oblanceolate leaves, we gain a deeper understanding of the natural world and the myriad ways in which plants interact with their environment. As we continue to explore and appreciate the diversity of plant life, terms like oblanceolate serve as gateways to greater knowledge and appreciation of our planet's botanical wonders.

在植物学的世界中，叶子的形状和结构在识别不同植物种类方面起着至关重要的作用。其中一种常常引起植物学家和植物爱好者兴趣的叶子形状是oblanceolate叶。术语oblanceolate指的是一种特定的叶子形状，其在顶端比基部更宽，类似于倒置的长矛。这种独特的形态可以在各种植物科中找到，理解它可以提供对不同物种适应策略的洞察。 例如，许多表现出oblanceolate叶子的植物通常适应于最大化阳光捕获对生存至关重要的环境。叶子的宽端允许更大的表面积来吸收阳光，这对于光合作用至关重要。相反，较窄的基部有助于通过最小化暴露于空气中的叶面来减少水分流失。这种适应在干旱气候中尤为有益，因为水分的保存至关重要。 一个具有oblanceolate叶子的植物例子是桉树属（Eucalyptus），它们以其独特的叶片而闻名。桉树的oblanceolate叶子不仅有助于光合作用，还促进了植物在恶劣条件下的生存能力。这些叶子通常具有芳香性，可以驱赶食草动物并吸引授粉者，展示了生态适应的另一个层面。 此外，oblanceolate叶子的研究超越了简单的识别；它也涉及到进化生物学。研究人员常常分析叶子的形状，包括oblanceolate，以了解植物如何在数百万年中对环境做出反应。通过考察叶子形态与环境因素之间的关系，科学家可以推测植物如何适应未来的气候变化。 除了生态重要性外，oblanceolate叶子还具有美学价值。园丁和景观设计师常常寻找具有独特叶子形状的植物，以创造视觉上吸引人的空间。优雅的oblanceolate叶子形状可以为花园增添质感和对比，使其成为园艺师的最爱。 此外，具有oblanceolate叶子的植物的文化意义也不容忽视。在许多文化中，某些植物因其药用特性或象征意义而受到崇敬。例如，桉树在传统医学中的使用突显了理解叶子形态与其实际应用之间的重要性。这种形态与效用之间的联系体现了人类与植物王国之间错综复杂的关系。 总之，术语oblanceolate不仅仅概括了一种叶子形状；它代表了生态适应、进化历史、美学欣赏和文化意义的汇聚。通过深入探讨oblanceolate叶子的特征，我们对自然界及植物如何与其环境相互作用有了更深刻的理解。当我们继续探索和欣赏植物生命的多样性时，像oblanceolate这样的术语成为更大知识和对我们星球植物奇观的欣赏的入口。