Pelargonium Sidoides

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Common Names

Afrikaans

Rabassam

English

South African Geranium

German (trade name)

Umckaloabo

Khoikhoi

not documented

Ndebele

not documented

San

not documented

Sepedi

not documented

Sesotho

kaloba

Setswana

not documented

Swati

not documented

Tsonga

not documented

Venda

not documented

Xhosa

ikubalo · iyeza lesikhali

Zulu

isiqalaba

Common Name

Pelargonium Sidoides

Scientific Name

Pelargonium sidoides

Family

Geraniaceae

Native Region

Eastern Cape grasslands and adjoining regions of South Africa.

Annual
Production

200–500 t

Export Revenue

R80–150m

Export Markets

Germany, EU

Livelihoods

2,000–5,000

Protection & Benefit Sharing

No GI No GI protection. European Umckaloabo product generates significant annual revenue using a Zulu-associated diagnostic term as a brand name without formal recognition or compensation.

No BSA 2008 African Centre for Biosafety (ACB) formally challenged the Umckaloabo extraction-process patent held by Schwabe, citing Zulu and Basotho knowledge appropriation. Benefit-sharing advocacy ongoing; no formal agreement reached.

Organic Certified organic production available from Eastern Cape producers.

Wild Harvest Mix of wild harvest and contract farming. Eastern Cape cultivation programmes expanding to reduce wild harvest pressure.

Provinces

ECEastern Cape

FSFree State

GTGauteng

KZNKwaZulu-Natal

LIMLimpopo

MPMpumalanga

NCNorthern Cape

NWNorth West

WCWestern Cape

Key

Registered farm

Certified organic

Introduction

A prominent medicinal geranium native to the eastern escarpment. Known as Umckaloabo, its root extract is a globally successful respiratory medicine, clinically validated for acute bronchitis and respiratory infections.

Active Compounds

Umckalin (coumarin)
Scopoletin
Scoparone
Pelargonidin
Proanthocyanidins

Traditional Uses

Respiratory infections
Tuberculosis
Gastrointestinal complaints
Immune support

Clinically Validated

Efficacy for acute bronchitis confirmed in RCTs (Matthys et al., 2003)
Antiviral activity (Influenza/RSV) in vitro
Immunomodulatory effects (IFN production stimulation)
EMA approval for upper respiratory infections

Cultivation

Highland grassland; moderate frost tolerance; well-drained soil; full sun/light shade.

Eastern Cape, KZN Drakensberg, Lesotho

Commercial & Trade Notes

Established contract farming in Eastern Cape for international pharmaceutical buyers.

Indigenous Knowledge

Central to Zulu/Xhosa respiratory traditions. Known as Umckaloabo (Zulu for 'heavy cough'). A primary ancestral remedy for tuberculosis; its global commercial success is a benchmark case for indigenous IP advocacy.

Health