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Latin name: Conium maculatum
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Family: Apiaceae
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Common name: poison hemlock
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Life cycle: biennial, spreading by
seed
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Habit: initially a bushy rosette, then growing
upright to 8 feet tall
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Foliage: Foliage is 3 to 4 times pinnately
compound. Leaves are glossy and margins are serrated.
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Flowers: Flowers are white with 5 petals,
and occur in clusters called compound umbels.
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Stems: Stems are smooth, glabrous,
round in cross-section, and spotted or streaked purple. Purple coloration
on the stem is a good way to make certain this species' identification.
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