历史上唐僧取经:谁给我一点有关捕蝇草的资料,要英语的,不用很多

来源:百度文库 编辑:中科新闻网 时间:2024/04/26 23:40:36
谁给我一点有关捕蝇草的资料,要英语的,不用很多
最好有中文

久等了:)

捕蝇草
学名:Dionaea Muscipula
英文名:Venus Flytrap

The Venus Flytrap (Dionaea muscipula) is a carnivorous plant. It catches its prey (insects and arachnids, mostly flies and spiders) by snapping its leaves closed, much like animals do with their mouths. The edges of the leaves are equipped with teeth-like spikes. Once the insect has been captured, the plant digests and absorbs it. The leaf then opens, and wind and rain remove the remains. Each leaf can digest a limited number of times, after which it withers and dies. The Venus Flytrap may be the source of legends about man-eating plants.
The plant grows in a rosette of 4-7 leaves, each about 3 to 7 inches long.
The tip of the leaf is divided into two hinged lobes that form a trap. There are many traps on a plant, each on their own individual leaf. Every trap contains three hair-like (cilia) that act as triggers for the trap. The inside of the trap has red glands that attract insects.
The Venus flytrap is one of small group of plants that are capable of rapid movement, such as Mimosa.

译文:
捕蝇草是一种肉食植物。它通过叶瓣的闭合来捕捉猎物(昆虫与节肢动物,主要为苍蝇与蜘蛛),与动物通过嘴来捕捉猎物十分类似。其叶瓣的边缘装备有牙齿般的尖刺。一旦昆虫被捕获,植物就会把它消化吸收。然后该叶片便重新展开,让风雨将残余物送走。每一个叶瓣之能够消化少数几次,接着就会枯萎而死。捕蝇草或许就是食人植物的传说之源。
这种植物为4-7个叶瓣构成莲座状生长,每一只约3-7英寸长。叶瓣的顶端分成两个铰链状的圆裂片,构成一个圈套。一株植物上会有许多个圈套,分别位于各自的叶瓣顶端。每个圈套有三个毛状物(纤毛),担当着陷阱的启动装置。圈套内部有红色的腺器用来吸引昆虫。
捕蝇草是和含羞草一样,少数能够作出迅速动作的植物。

捕蝇草(Catchfly)属于维管植物的一种,是很受欢迎的食虫植物。
捕蝇草的捕食构造是由一左一右对称的叶片所形成的夹子,这个夹子状的构造是由叶子特化而来的。捕虫夹上的外缘排列着刺状的毛,乍看之下很锐利,会刺人。这些毛的功能是用来防止被捕的昆虫逃脱。当捕虫夹夹到昆虫时,这些夹子两端的毛正好交错,而成为一个牢笼,使虫无法逃走。
食虫的习性大致上分为以下四步骤: 叶与感觉毛横切面在显微镜下的状态。引诱昆虫捕捉昆虫利用消化液来分解与吸收利用吸收到的养份来维持生长不过并不是所有的食肉植物都是经过如此完整的过程,例如有些同类型的植物并不分泌出消化液,而是借由各种微生物来分解后吸取养份的。而捕蝇草在这个部份属于比较高等,具备相当完整过程的食肉植物。   捕蝇草的叶缘部份含有蜜腺,会分泌出蜜汁来引诱昆虫靠近。当昆虫进入叶面部份时,碰触到属于感应器官的感觉毛两次,两瓣的叶就会很迅速的合起来。生长于叶缘上的刺毛是属于多细胞突出物,没有弯曲的功能。当叶子很快速的闭合将昆虫夹住时,刺毛就会紧紧相扣的交互咬合,其目的就是防止昆虫脱逃。