What’stomata with you?


Click here to contact SoundEagleSoundEagle says:

Click here to contact SoundEagleadelecmj states: “This picture also illustrates why I’m rambling about these cute little things. My MSc research project is focussed on better understanding how stomata develop in Begonia and so, for the next 2-3 months I’ll be eating, breathing and living stomata science.”

 

Plants in real life

Tiny little mouths. Swarms of them on every leaf, gaping wide open or clamping shut in order to keep their plants alive. They’re called stomata and help prevent plants from losing so much water that they dehydrate whilst allowing enough carbon dioxide into leaves that they can continue the amazing job of making their own food from what is essentially fresh air, water and sunshine. They allow plants to live on land and do things like survive droughts or forgetful gardeners and could play a big part in aiding adaptation to climate change, making them topical and important.

So, what actually are these mysterious structures? They’re basically pores on the surface of plants that let air in and out. One stoma comprises of two guard cells which control how open the pore is, an air cavity underneath that and, sometimes, a whole lovely bunch of other cells and maybe…

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