Plants around Gobabeb

Page 95

Chenopodiaceae The goosefoot family

Salsola tuberculata

Photos from gravel plains close to Gobabeb and Hope wash Found in: G & D Common names: English: Ganna species German: Brackbusch, Salzbusch

Afrikaans:

Brakbos

Distribution: The Salsola species occur throughout the arid parts of Namibia, however the Lüderitz area is believed to be their centre of diversity. 20 species are endemic to this area and the areas nearby in the southern Namib. However, they can be found on all altitudes, mostly along the coast but also in dry, brackish areas inland. In the vicinity of Gobabeb one species have been identified (S. tuberculata) (Henschel J et al. 2006). Identification: Plants in this genus are very difficult to tell apart. The genus is characterized by reduced, somewhat succulent leaves, which are compactly packed around the branches. In arid areas like this the color is usually grey-green, while at other places they can have more variation during the year. The flowers are tiny and papery, in groups at the end of the short branches, and the seeds are flat with wings. Ecology: The Chenopodiaceae species are common in arid places like Namibia, and among these are the Salsola species that are significant components of the southern Namib flora. The name Salsola means “salty”, and the shrubs are generally found on plains and often in salty areas such as pans. Insect galls are common on the Salsolas and can be mistaken for fruit. Uses: Many of the Salsolas are well grazed, but the Salsola tuberculata is toxic to livestock if consumed in great quantities.

References: Craven P and Marais C (2000), Burke A (2003a) and Henschel J et al. (2006). Photos by: Joh Henschel and Maja Sjöskog


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