Cancer bush

Kew treats Sutherlandia frutescens as a synonym of Lessertia frutescens. The plant has pinnate grey-green leaves, red pea flowers and conspicuous balloon-like pods. Recording both names prevents broken historical and commercial links.

The plant is documented in several southern African traditions as a tonic and for varied complaints. Commercial products commonly use aerial material. Such history should be described without turning traditional knowledge into an unsupported universal indication.

The species can be cultivated from seed, supporting traceable supply. Records should identify seed or mother-stock source, plant part, harvest date, drying and testing, together with any community knowledge or benefit-sharing agreement.

Human studies are limited and do not substantiate broad cancer, HIV or immune-treatment claims. Constituents such as pinitol, canavanine and saponins have been investigated, but laboratory activity is not clinical proof. It should not replace prescribed treatment.

Taxonomic revision moved the accepted species to Lessertia, while Sutherlandia remains common in commerce and literature. Research spans chemistry, safety and small human studies; conclusions remain narrower than many marketing claims.

Cultivation can support small growers and reduce uncertain wild sourcing. Corporate programmes should report verified hectares or plant counts, harvest yield, testing, buyer terms and benefit-sharing rather than wellness claims.

The species has knowledge associations across multiple southern African communities. Attribution should be specific, consented and linked to the actual teaching or record instead of using a generic cultural label.