Don't know if this has been linked to before?
https://news.brown.edu/articles/2011/05/cacti
Succulent evolution?
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For the discussion of topics related to the conservation, cultivation, propagation, exhibition & science of cacti & other succulents only.
Please respect all forum members opinions and if you can't make a civil reply, don't reply!
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DaveW
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Succulent evolution?
Nottingham Branch BCSS. Joined the then NCSS in 1961, Membership number 11944. Cactus only collection.
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Acid John
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Re: Succulent evolution?
Original paper
https://www.pnas.org/doi/epdf/10.1073/pnas.1100628108
Interesting how relatively young our succulent species are.
https://www.pnas.org/doi/epdf/10.1073/pnas.1100628108
Interesting how relatively young our succulent species are.
Acid John
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SimonT
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Re: Succulent evolution?
Thanks for posting this. It seems plausible that you would see expansion of C4 grasslands in a period with low atmospheric C02. But if the paper is mainly about succulent plants then why would you not focus the paper more on CAM photosynthesis? This is thought to also give an advantage in low Co2 and of course in environments with water stress. I guess this is just an early paper and there is more recent work that focuses on CAM such as the one below.
Sage RF, Gilman IS, Smith JAC, Silvera K, Edwards EJ. Atmospheric CO2 decline and the timing of CAM plant evolution. Ann Bot. 2023 Nov 25;132(4):753-770. doi: 10.1093/aob/mcad122. PMID: 37642245; PMCID: PMC10799994.
https://www.researchgate.net/publicatio ... _evolution
Sage RF, Gilman IS, Smith JAC, Silvera K, Edwards EJ. Atmospheric CO2 decline and the timing of CAM plant evolution. Ann Bot. 2023 Nov 25;132(4):753-770. doi: 10.1093/aob/mcad122. PMID: 37642245; PMCID: PMC10799994.
https://www.researchgate.net/publicatio ... _evolution