Origin:
The temperate Himalayas from Kashmir to Chamba. Major supplies of the drug are received from Kashmir.

Action:
Highly toxic. Toxic plant, can cause death
The use of Colchicum for long periods is not recommended owing to its toxicity in larger doses (even 7 mg of colchicine has caused death) and its depressant action upon central nervous system.

Khare, C.P./ Indian Medicinal Plants. -- Nueva Dheli: Springer, 2007 . - p. 836.