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Oenanthe fistulosa
Oenanthe fistulosa, tubular water-dropwort, is a flowering plant in the carrot family, native to Europe, North Africa and western parts of Asia. It is an uncommon plant of wetlands, growing around pools and along ditches, mainly in areas of high conservation value.
The global range of tubular water-dropwort is from Europe through the northern half of Africa to western parts of Asia. It occurs no further north than southern Scandinavia and is rare as an introduction beyond its natural range. In Britain and Ireland it is found mainly in the lowland eastern counties, becoming increasingly rare towards the uplands of the north and west. In France the pattern is similar, with the main populations in the southern lowlands, becoming rarer towards the upland regions around the Alps.
Tubular water-dropwort roots have been found to contain small quantities of Oenanthotoxin, the toxic agent that makes hemlock water-dropwort so dangerous. However, the quantities are much (10 x) lower and it is generally considered safe, or even palatable. Oenanthe fistulosa is freely grazed by livestock. It is used in traditional medicine in Algeria and investigations into the essential oil show there are constituents that could have medical benefits as well as a chemical, Heneicosane, which attracts mosquitoes involved in transmitting Dengue fever.
Fineleaf waterdropwort · Hemlock Water-dropwort · River Water-dropwort · Oenanthe globulosa · Java waterdropwort · Parsley water-dropwort · Corkyfruit waterdropwort · Water parsely · Narrow-leaved Water-dropwort · Waterdropwort
Text excerpted from the Wikipedia article Oenanthe fistulosa by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
