The yield of tuber and colchicine content could be increased by means of promoting the growth of stem and leaves and elongating the effective photosynthetic time before the peak appeared.

This is because it contains the potent chemical colchicine, which is known to have medicinal properties, including anti-cancer effects.

OBJECTIVE: To observe the therapeutic effects and side effects of intraarticular injection of colchicine for acute gouty arthritis.