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Comparison of leaf stems of young hemlock and cow parsley plants
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This picture was taken in May. It shows two plants growing next to each other. The plant with the smooth, pale green, red-spotted leaf stems is hemlock (Conium maculatum). The plant with the grooved purple leaf stems is cow parsley (Anthriscus sylvestris).
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HEMLOCK
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Cow parsley leaf stem groove
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This picture shows the stem of cow parsley (Anthriscus sylvestris). It shows the typical groove that signifies that the leaves are safe to pick for rabbits. The colour of the leaf stem can vary from green to pale purple and it may or may not be hairy
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HEMLOCK
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Hemlock and Cow Parsley
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This image shows Cow Parsley (Anthricus sylvestris) on the left and Hemlock (Conium maculatum) on the righ. Both plants can grow to be several feet high and at first glance, they look similar. The stems are the first part to examine. The stem on cow parsley is grooved. The stem on hemlock is not and, more importantly, has red blotches on it.
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HEMLOCK
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Hemlock flower
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Hemlock flowers are typical of umbelliferae. There are flat-topped flower clusters that are small and white.
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PLANT TOXICITY
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HEMLOCK
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Hemlock growing next to cow parsley
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This image shows two umbelliferous plants growing together. The one on the left Hemlock (Conium maculatum) with a Cow Parsley (Anthricus sylvestris) plant on the right. The leaves look similar although hemlock leaves have a slightly iridescent appearance. The difference in the main stem is very obvious. Hemlock has a smooth, hairless, pale green stem with red blotches. Cow parsley has a ridged stem that can be green to purple in colour.
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HEMLOCK
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Hemlock plants
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Hemlock may grow in clumps on roadsides, waste ground, field edges, path edges, meadows, and poorly drained soil near streams or ditches. This photograph was taken in a field next to a river near York in July.
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HEMLOCK
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Hemlock stems
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Hemlock (Conium maculatum) is easy to differentiate from other umbelliferae plants by the red blotches on the smooth, hairless shiny stems.
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PLANT TOXICITY
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HEMLOCK