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Image of Romulea sabulosa Schltr. ex Bég.
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Romulea sabulosa Schltr. ex Bég.

    habitat

  • escarpment
    • URI: http://purl.obolibrary.org/obo/ENVO_00000280
    • Definition: A transition zone between different physiogeographic provinces that involves an elevation differential, often involving high cliffs. Most commonly a transition from one series of sedimentary rocks to another series of a different age and composition. In such cases, the escarpment usually represents the line of erosional loss of the newer rock over the older.
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  • clay
    • URI: http://purl.obolibrary.org/obo/ENVO_00002982
    • Definition: A group of hydrous aluminium phyllosilicate (phyllosilicates being a subgroup of silicate minerals) minerals (see clay minerals), that are typically less than 2micrometres in diameter. Clay consists of a variety of phyllosilicate minerals rich in silicon and aluminium oxides and hydroxides which include variable amounts of structural water.
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