Crassula sericea var. sericea

    Crassula sericea var. sericea
    Author: Ivan Lätti
    Photographer: Judd Kirkel Welwitch

    Crassula sericea var. sericea is a much-branched leaf succulent that reaches 20 cm in height.  

    When the leaves look swollen as some of them do in the picture, the plant is not experiencing moisture shortage. Regular summer drought will cause a flattening and wrinkling of the leaves when stored resources become depleted. This is already starting to happen to some of the leaves here.

    The leaf of C. sericea var. sericea has a red line along the margin of the tip. This line may be either straight when the leaf is flat, or angled when the leaf is keeled outside, concave on the inside. The chunky leaf body has a grey surface, appearing to be velvety. Leaves that break from the plant, which easily happens from even a small disturbance, are likely to take root where they land if a little soil is available.

    The C. sericea species comprising three varieties is distributed in the Richtersveld and southern Namibia, eastwards in the Gariep River valley as far as Kakamas.

    The cliff-dwelling shrublets grow in succulent Karoo, Nama Karoo and desert at different elevations, sometimes shaded by rocks. The species overall is not considered threatened in habitat early in the twenty first century. The survival status of the three varieties is unknown (iNaturalist; www.plantzafrica.com; http://redlist.sanbi.org).

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