Herbarium of the Ancients — Detailed NotebookFR · EN

Trailing Lobelia

Lobelia erinus
Please read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. In case of doubt, pregnancy, breastfeeding, ongoing treatment, or use in children, seek advice before use.
Enhanced precautions for this plant: The genus Lobelia contains alkaloids (including lobeline) that can be toxic in excessive doses; Lobelia erinus has not been the subject of thorough studies, and its precise composition and toxicity remain poorly understood. Use is strongly discouraged in pregnant or breastfeeding women, as well as in children, as a precautionary measure. Do not exceed small occasional quantities and avoid prolonged use without advice from a healthcare professional or qualified herbalist. Due to the lack of reliable data, it is recommended to consult a professional before any internal use, even traditional.
Light Decoction — Fresh or Dried Aerial Parts

Traditional decoction for occasional use

A few leaves and stems are briefly brought to a boil then steeped for a few minutes off the heat. This preparation, poorly documented for this specific species, should only be considered with professional advice. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Poultice — Fresh Leaves

Soothing poultice for the skin

Fresh leaves are coarsely crushed then applied directly to the affected area, held in place with a clean cloth. This traditional external use should remain occasional and be avoided on damaged skin without prior advice. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to Find It

Obtaining the plant

Trailing lobelia is primarily found in horticulture, as young plants or seeds sold for ornamental cultivation, more rarely at some herbalist shops specializing in traditional African plants.

Harvest Season

When to harvest it

Harvesting of aerial parts, when practiced, is preferably done during the flowering period, in spring and summer, from healthy and untreated plants.

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