Naples garlic The structure of garlic could be mistaken for exquisite coloured glass. When a tiny stem section is stained with toluidine blue, a dye that builds up in the acidic parts of tissue, nucleic acids show up in blue. The dark spot is a bundle of vascular tissue that carries nutrients and fluids up the stem. The full image is a composite of 55 shots.
Betula utilis var. jacquemontii - Sought after for their white bark, the colour of which develops fully when the tree is around 8 years old, and their dark green leaves that turn butter-yellow in autumn, this elegant tree will also produce yellowy brown catkins in spring. These trees have been cut back when young to create three separate stems.
Rob Kesseler's Morphogenesis, SEM photograph of wild Portuguese flora, including orchids. Microfine sections of stems were stained to expose functional characteristics. Large format images constructed from up to 500 individual high magnification frames.
CEROPEGIA-WOODII-String-of-Hearts Tuber beads are small beads which form on stem at the leaf bases. Can be planted to produce new vines. Press the tuber into the soil, & keep it moist (not wet), plant the bead while it is still attached to the mother plant, for speedier rooting. Once rooted & growing, sever from the main plant.