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Habitus of a Joshua tree
1 leaf (type: succulent)
English name: Joshua tree
Scientific name: Yucca sp.
The Joshua tree is a xerophyte (plant adapted to drought) with so-called xeromorph characteristics. The leaves are leathery and covered with a wax layer to protect the plant from desiccation. The parenchyma cells of the leaf are enlarged and function to store water, a feature that is typical for succulents.