Bulbine
Bulbine frutescens
Production
Bulbine frutescens, known as Rankkopieva, Stalked Bulbine, or Snake Flower, is one of the most medicinally versatile and horticulturally popular plants in South Africa. A succulent subshrub with fleshy bright green leaves and cheerful yellow or orange flower spikes, it is both a common garden plant and a serious medicinal resource. The fresh leaf gel has been used for centuries by Khoisan, Xhosa, and Zulu communities for wound healing, burns, skin conditions, and rashes — in much the same way as Aloe vera gel. Scientific research has confirmed that Bulbine gel contains unique bioactive compounds not found in Aloe, including knipholone anthrones with potent antimicrobial and anti-inflammatory properties. Despite its impressive pharmacological profile and easy cultivation, Bulbine remains largely underdeveloped commercially — a situation that is beginning to change as South African cosmetic and pharmaceutical companies recognise its potential. It is one of the most drought-tolerant medicinal plants in the registry and among the easiest to cultivate at scale, making it an attractive candidate for sustainable commercial development.
- Knipholone (anthrone — primary antimicrobial bioactive)
- Bulbine anthrones
- Acetylated glucomannans (gel polysaccharides)
- Flavonoids (luteolin, isorhamnetin)
- Tannins
- Fresh leaf gel applied directly to burns, wounds, and insect bites
- Used for eczema, psoriasis, and fungal skin infections
- Leaf juice taken for mouth ulcers and cracked lips
- Applied to nappy rash and skin irritation in infants
- Used for sexually transmitted infections in traditional Xhosa and Zulu medicine
- Leaf preparations taken internally for vomiting, convulsions, and blood disorders
- Knipholone demonstrated significant antimicrobial activity against Staphylococcus aureus and Candida albicans (Van Wyk et al., 2009)
- Wound healing activity of leaf gel confirmed in excision wound model — comparable to 1% silver sulfadiazine (Pather et al., 2011)
- Anti-inflammatory activity of anthrone fraction documented in multiple in vitro studies
- Antifungal properties confirmed against dermatophytes causing ringworm and athlete's foot
Extremely adaptable. Tolerates drought, poor soils, coastal salt wind, and light frost. Full sun to light shade. Rainfall 200–800mm per annum. One of the most water-wise medicinal plants available.
Cultivated across all South African provinces as a garden plant. Wild populations concentrated in the Eastern Cape, Western Cape, and KwaZulu-Natal coast.
Predominantly sold as a garden plant. Medicinal leaf gel is processed by a small number of South African cosmetic companies. Large-scale pharmaceutical or cosmetic cultivation has not yet been established despite strong commercial potential. Easy propagation from cuttings makes scale-up straightforward.
Bulbine frutescens has been a first-aid plant for Khoisan communities of the Cape for thousands of years. The practice of breaking a leaf and applying the fresh gel to a cut, burn, or rash is one of the most widespread pieces of indigenous botanical knowledge in South Africa — known to rural and urban communities alike across ethnic boundaries. Xhosa healers use it for skin diseases and as part of compound preparations for blood disorders. Zulu traditional medicine incorporates it for sexually transmitted infections and internal complaints. Its Afrikaans name Rankkopieva reflects its long integration into Cape folk medicine. Unlike many traditional plants whose knowledge is held exclusively by specialists, Bulbine gel application is general household knowledge — a testament to how deeply the plant is embedded in South African healing culture.