Conium (/ k oʊ ˈ n aɪ. ə m / or / ˈ k oʊ n i ə m /) is a genus of flowering plants in the family Apiaceae. [1] As of December 2020, Plants of the World Online accepts six species. [2] All species of the genus are poisonous to humans. C. maculatum, also known as hemlock, is infamous for being highly poisonous. Hemlock is native to ...

Conium maculatum, known as hemlock (British English) or poison hemlock (American English), is a highly poisonous flowering plant in the carrot family Apiaceae, native to Europe and North Africa. It is herbaceous without woody parts and has a biennial lifecycle.

In homeopathy, it is used to treat the complaint of vertigo, urinary complaints, and many female and male disorders. It is mainly suited to people who live a sedentary life (that is spend much time seated) having tendency to suffer from enlarged glands and hard nodes in various body parts.

毒参属（学名： Conium ）是伞形目 伞形科下的一个属，为二年生草本植物。该属约有4种，毒参（ Conium maculatum ）为模式种，分布于欧洲、亚洲、北非和北美洲。 [1]

毒參屬 （學名： Conium）是 傘形目 繖形科 下的一個屬，為二年生 草本 植物。 該屬約有4種， 毒參 （Conium maculatum）為 模式種，分布於 歐洲 、 亞洲 、 北非 和 北美洲。 [1] ^ 中国种子植物科属词典. 中國數字植物標本館. （原始內容 存檔於2012-04-11）.

分布于欧洲、亚洲、北非和北美洲，我国 新疆 亦产之，全草含 毒芹碱，有毒。 毒参属（学名：Conium L.）是伞形目伞形科的一个属。 根圆锥状，稍肥厚；茎中空；叶2回羽状分裂，末回裂片长圆形或卵状披针形，边缘羽状深裂：复伞形花序呈聚伞状，伞辐约10－20：总苞片卵状披针形，反曲向下，小总苞片卵形，基部联合；果近卵圆形或卵形。

毒堇（ 学名 ： Conium maculatum ），是 伞形科 毒参属 的一种植物。原长于欧亚，美国如今也有分布。在农场建筑周围的原生态地带，特别是美国东西海岸附近区域，毒堇很常见。

毒参（Conium maculatum L.）为伞形科毒参属二年生草本植物，根圆锥形肥厚；茎中空，分枝，叶片二回羽状分裂，末回裂片卵状披针形，边缘羽状深裂；基生叶和茎下部叶有长柄，叶片三角形，羽片长圆形或卵状针形，具小柄，先端具淡色的尖；茎上叶渐小，无柄有 ...

Conium in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2018 Sep 10.

Conium contains piperidine alkaloids (coniine, N -methyl-coniine, conhydrine, pseudoconhydrine, gamma-coniceine), which are structurally similar to nicotine. They act agonistically at nicotinic-type acetylcholine receptor.