File:Hemlock Water-Dropwort - geograph.org.uk - 963809.jpg
Hemlock_Water-Dropwort_-_geograph.org.uk_-_963809.jpg (640 × 480 pixels, file size: 155 KB, MIME type: image/jpeg)
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Summary
[edit]DescriptionHemlock Water-Dropwort - geograph.org.uk - 963809.jpg |
English: Hemlock Water-Dropwort (Oenanthe crocata)
This species is an umbellifer (a member of the Carrot Family); it is an attractive plant, but a potentially deadly one: "The tubers are sweetish-tasting, but very poisonous, due to a series of polyacetylenes. The active principle is oenanthetoxin, a convulsant poison, which can cause rapid death with few symptoms. Fatal cases of human poisoning have occurred when the leaves were mistaken for those of celery, or the tubers for parsnips" [T.G.Tutin in "Umbellifers of the British Isles", BSBI Handbook No.2, 1980]. This is a plant of ditches, pondsides, and other wet places; it is most common in the south and west of Britain. It is described as a "calcifuge", meaning that it will not normally be found growing on chalky, alkaline soils. This species occurs in abundance here alongside the cycle route; this area, close to the river, provides a suitably damp habitat, and the soil here (and throughout the surrounding region) is generally fairly acidic. [Note that Hemlock (Conium maculatum) is a different plant from Hemlock Water-Dropwort, although both species are poisonous and are members of the Carrot Family.] For some other common but very poisonous plants, see 942492 and 1014884. |
Date | |
Source | From geograph.org.uk |
Author | Lairich Rig |
Attribution (required by the license) InfoField | Lairich Rig / Hemlock Water-Dropwort / |
InfoField | Lairich Rig / Hemlock Water-Dropwort |
Camera location | 55° 57′ 22″ N, 4° 34′ 41″ W | View this and other nearby images on: OpenStreetMap | 55.956080; -4.578000 |
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Object location | 55° 57′ 23″ N, 4° 34′ 42″ W | View this and other nearby images on: OpenStreetMap | 55.956260; -4.578200 |
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Licensing
[edit]This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Lairich Rig and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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current | 16:59, 22 February 2011 | 640 × 480 (155 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Hemlock Water-Dropwort (Oenanthe crocata) This species is an umbellifer (a member of the Carrot Family); it is an attractive plant, but a potentially deadly one: "The tubers are sweetish-tasting, |
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