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Residents of the Namib desert: Lithops - living pebbles; rocky desert, not far from Swakopmund.

Lithops is a genus of succulent plants native to Africa, mainly in Namibia and South Africa. It is especially characteristic of the Karoo region at Africa's southern tip. The word "lithos" is Greek and means "stone". "Lithops" means "stone-like". This is a very good description of these plants, which avoid being eaten by blending in with surrounding pebbles (camouflage). They are often known as pebble plants or living stones. First description of lithops was made by William John Burchell, explorer of South Africa, botanist and artist, who in 1811 accidentally found a specimen when picking up from the ground a "colorful pebble".

Individual plants usually have two bulbous, almost fused leaves opposite to each other and hardly any stem. The slit between the leaves contains the meristem and produces flowers and new leaves. Old leaves die after the new pair has emerged. Occasionally two new pairs emerge and plants can eventually form large clumps. The plant is almost entirely buried in soil, only exposing the flat upper surfaces of leaves. This is an adaptation to the dry, hot environment.
after Wikipedia

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Additional Photos by Andrzej Urbaniec (Deepforest) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 441 W: 57 N: 936] (8825)
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