Tuesday 18 October 2011

Elephant Rhubarb

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This is a photograph of the leaf of a giant gunnera plant (I'm guessing gunnera manicata?) taken at Trebah Gardens in Cornwall. Along with other curiosities (including a Stumpery and bamboo maze), the Gardens sport a Gunnera Passage, which winds along underneath the huge leaves of these plants. They have giant spikes on their stems, and their leaves are several foot across (there's even a picture of me pretending to sit on one). It was one of my favourite areas in the garden; it's very cool to feal like a tiny midget creature creeping along in the shade of leaves the size of umbrellas.

Even though gunnera manicata is known as Elephant's Rhubarb, it's not related to rhubarb at all and sadly isn't edible. If it were then I guess we'd be one step closer to solving the world food crisis because one stalk could probably feed you for a week - some of the stalks were as thick as my arm. Interestingly, although rhubarb is usually classed as a vegetable, it's legally a fruit in the United States. For tax purposes.

Also, rhubarb leaves are poisonous, although you'd have to eat about five kilograms for it to kill you. In news of other toxic plants, I recently discovered that wild almonds are all poisonous as well! They contain cyanide. So if you're ever wandering desolate through a forest and you're feeling peckish, avoid anything that looks almondy.

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