What is "aconitum lycoctonum"

Wolfsbane \Wolfs"bane`\, n. (Bot.) A poisonous plant ( Aconitum Lycoctonum), a kind of monkshood; also, by extension, any plant or species of the genus Aconitum. See Aconite.

Acolyctine \Ac`o*lyc"tine\, n. [From the name of the plant.] (Chem.) An organic base, in the form of a white powder, obtained from Aconitum lycoctonum.
--Eng. Cyc.

Aconitum lycoctonum (wolf's-bane or northern wolfsbane) (Hindi : Bikh बिख ) is a species of flowering plant in the genus Aconitum, of the family Ranunculaceae, native to Europe and northern Asia.

Lycoctonum is a rendering in modern Latin of the traditional name "wolf's bane".

It is an herbaceous perennial plant growing to 1 m tall. The leaves are palmately lobed with four to six deeply cut lobes. The flowers are 18–25 mm long, dark violet, rarely pale yellow.

Like all species in the genus, it is poisonous.