Plant genus in the family Chenopodiaceae; contains soluble oxalates and causes oxalate poisoning characterized by nephrosis, urolithiasis; includes S. barbata, S. kali (tumbleweed, soft roly-poly, Russian thistle).
- S. tuberculatiformis, S. tuberculata var. tomentosa — poisoning of sheep with this South African plant causes prolongation of gestation, enlargement of the fetus and dystocia. Syndrome called grootlamsiekte.
