plants in the sahara desert. sahara, algeria,

afrika algeria apple biocenosis biotope bush calotrope calotropin calotropis climate community desert deserted dry dunes endemic environment exotic flora gigantea green grow growing growth harmful heat leaf leaves medical medicine merzouga mountains mudar national native nature oscher outdoor outside park plant plants procera rock sahara sand sandy shadow shara sodom spring tadrart tassili tin towers tree vegetation weed wild wilderness