The stem constantly sloughs off layers of papery epidermis, which I suspect might have some role to play in reflecting intense sunlight.
The thick, lobed succulent leaves have a saw-tooth margin and each leaf lobe is about 15cm. long.
These small, glassy beads appear on the underside of the leaves, soon after they've fully expanded.
I've yet to discover whether they are crystalline sugar or resin - I suspect they are the latter.
One of the most remarkable aspects of the plant is that it is in the grape family and is commonly known as the Namibian grape or tree grape. You'd never suspect that until you take a look at the fruits, which turn purple when they ripen, but unlike the edible grape they are poisonous.