The Succulent Karoo

I have recently returned from an extended stay in the Succulent Karoo. one of the unique biomes of South Africa. To many people this arid region appears boring and of little ecological value however nothing could be further from the truth. This area has the greatest plant diversity of any arid area in the world and is home to a staggering 3,000 different succulent species. Many of these bear showy flowers when conditions are suitable and most (like that shown below) are members of the Mesembryanthemaceae (sometimes classified as Aizoacaea).   As...