The development of xylem is of mesarch.Stomata are monocyclic type.
叶、叶柄、上胚轴的维管束均为外韧型。
Antitranspirant A chemical that reduces transpiration. Antitranspirants may work by depositing a waterproof film over the stomata or by inducing stomatal closure.
可以减少蒸腾用的化学物质。抗蒸腾剂可以通过沉积气孔上的或诱导气孔关闭起用。
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One toxin coronatine makes plants' stomata open up, allowing bacteria to enter more freely.
一旦毒素冠菌素了植株气孔,菌入侵就更畅通无阻了。
As part of photosynthesis, leaves open and close pores called stomata.
作为光合作用一部分,树叶和关它上孔——叫气孔。
Reich notes that stomata also play a role in a plant's slow adaptation to wind.
再者,赖希认为,气孔对于植物缓慢适应风力也极为重要。
Even movement of the plant, whether from wind or something else, affects how reactive stomata are.
如果植物有所移动,那么无论是因为风还是其他什么原因而发生移动,都影响气孔响应方式。
Meanwhile, the stomata — tiny holes that allow the exchange of gases that enable photosynthesis — remain firmly closed until night when they open.
与此同时,气孔——允许促成光合作用气体交换小孔——在夜晚启前紧紧地保持关。
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