In present attempts to rehabilitate M and K systems, we brought aquifers to M. I might still not be able to connect liquid water with direct sunlight, in a pessimistic HZ. We may however do that with the nontidally locked outer planets of a M, if we allow for greenhouse. Now we have to figure out how to depurple these - how to work chlorophyll.
To that end, ToughSf x.com brings Chlorophyll f. This can photosynthesise in the 900 nm's. I don't know how well it does with chloroplasts. I assume it can happen slower than over here; but M and K stars have all the time in the galaxy.
BACKDATE 9/24
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