%0 Journal Article %T Hornwort stomata do not respond actively to exogenous and environmental cues %A Jeffrey G Duckett %A Karen S Renzaglia %A Richard S (Dicky) Clymo %A Silvia Pressel %J Archive of "Annals of Botany". %D 2018 %R 10.1093/aob/mcy045 %X Because stomata in bryophytes occur on sporangia, they are subject to different developmental and evolutionary constraints from those on leaves of tracheophytes. No conclusive experimental evidence exists on the responses of hornwort stomata to exogenous stimulation %K Abscisic acid %K dehiscence %K evolution of land plants %K potassium flux %K plasmolysis %K spore discharge %K stomata %K sporangia %K X-ray microanalysis %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6025193/