Conium maculatum Poison Hemlock   Eurasia Biennial of damp, open woodlots Up to 6 feet tall White flowers in compound umbels and prominently ribbed fruit.   Purple spotted stems and fern-like compound leaves. It is nearly evergreen and over-winters as a rosette down near the ground.       All parts of the plant are poisonous with the seeds being the most toxic. It is the plant which provided the poison used to kill Socrates.

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