I'm writing a paper on wrinkling of plant leaves. For biological and physical background information, I would like to know whether leaves grow by adding cells at the edge, at the center or in a completely different way. Since I need to confirm any information I get, please do not write opinions or guesses. It would be great if someone could find a reliable source with link since all my researches didn't lead to a good answer to this question. Thanks in advance!

  • $\begingroup$ Welcome to Biology SE! Homework questions are off-topic on Biology unless you have shown your attempt at an answer. For more information see our homework policy. $\endgroup$ – vkehayas Dec 6 '17 at 11:55
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    $\begingroup$ Hello, I think you misunderstood my request. I'm currently writing my bachelor thesis in physics and thought that some biological context in the introduction would be nice. Since I do not understand most of the literature in biology, I would be glad if someone could explain in easy words how plant leaves grow. If my question is still inappropriate, feel free to close or delete. $\endgroup$ – garador Dec 7 '17 at 10:35
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    $\begingroup$ i am not a plant biologist to give a full-scale answer, but, generally, the cells at the tip and edges of a leaf are the oldest, whereas the cells at the base of the leaf are the youngest. In many, but not all plants, leaves grow from basal leaf meristem, a tissue containing plant stem cells that divide and differentiate into leave cells. $\endgroup$ – user37894 Dec 9 '17 at 14:16

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