My biology textbook states that stomatal closure occurs at high temperatures to avoid water loss. Another stackexchange thread I can find (What is the effect of temperature and carbon dioxide on the opening and closing of stomata?) agrees with this, however most actual studies on the subject I can find talk about stomatal opening occurring at higher temperatures, but say the effect if the plant is experiencing water stress.

Does anyone know why there is conflicting info on this, and which source is correct?


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