Differences in stomatal and photosynthetic characteristics of five diploidy wheat species Effects of different light qualities on the growth, photosynthetic pigments and stomatal characteristics of okra (Abelmoschus esculentus) seedlings Evolutional trends of leaf stomatal and photosynthetic characteristics in wheat evolutions Anatomical Structure and Stomatal Characteristics on the leaf of Ginkgo biloba var.epiphylla Response of stomatal characteristics and its plasticity to different light intensities in leaves of seven tropical woody seedlings