Blackish outside, bright yellow inside root tuber of the African potato, Hypoxis rooperi, formerly the main source for obtaining preparations containing phytosterols.
HMPC: not processed
ESCOP: not processed
Commission E: not processed
Studies: Benign prostatic hyperplasia
As a tonic in the form of aqueous infusions for sick children, dizziness and mental disorders in adults. Fresh juice on burns.