"black head", referring to tuberous mother root, or root tuber); while in Japanese it is named torikabuto (鳥兜; (literally "bird-hat") after a type of ceremonial phoenix headdress, worn during the shamanic Kagura dance of the miko[2]).

Growing to 1.2 metres (4 ft) tall by 30 centimetres (12 in) wide,[3] it is an erect perennial, with 3- to 5-lobed ovate, leathery leaves.

[9] In severe poisonings pronounced motor weakness occurs and cutaneous sensations of tingling and numbness spread to the limbs.

The main causes of death are ventricular arrhythmias and asystole, paralysis of the heart or of the respiratory center.

Other drugs used for ventricular arrhythmia include lidocaine, amiodarone, bretylium, flecainide, procainamide, and mexiletine.

[12] Poisoning may also occur following picking the leaves without wearing gloves; the aconitine toxin is absorbed easily through the skin.

[citation needed] A lethal dose of aconitine is 3–4 mg. Violdelphin is an anthocyanin, a type of plant pigment, found in the purplish blue flower of A.