Crassula congesta subsp. congesta is a small succulent herb growing an annual flower stem of 15 cm in height above blunt-edged leaves pointing upwards along the columnar stem. The plant is short-lived, sometimes only annual or biennial.
The leaf pairs are decussate and closely stacked upon the erect stem. The leaves are thickly succulent, flat on the inner triangular surface, sharply keeled near the tip at the back. Grey-green when watered, these reddish leaves photographed in habitat near Oudtshoorn experience water need on the Minwater farm in April at the end of the dry season. Rough mottling and whitish bloom cover the leaf surfaces.
The species is not considered threatened in habitat early in the twenty first century (Vlok and Schutte-Vlok, 2010; www.redlist.sanbi.org).
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