Arabidopsis thaliana – Thale cress- leaf faces imaged by SEM Scanning Electron Microscopy Abaxial face with the main vein showing a trichome Abaxial face at higher magnification illustrating stomata either open or closed. Adaxial face of the leaf with an unicellular, non-glandular trichome. It consist of a stalk with two or three perpendicular arms. Part of an Arabidopsis leaf in cross section viewed by SEM. Gallery of SEM micrographs of Arabidopsis leaves. Arabidopsis leaf Arabidopsis leaf : abaxial face Arabidopsis leaf : abaxial face Arabidopsis leaf : trichome adaxial face Arabidopsis: trichome adaxial face