What plant is Radix Isatidis?

Isatis indigotica is a cruciferous plant, which belongs to common Chinese medicine. It's not a national protected plant, it's a herb. Because there are no abundant lignified cells, the stems are soft, which does not conform to the characteristics of woody plants and belongs to herbaceous plants. Isatis indigotica can blossom, so it belongs to angiosperms rather than gymnosperms. It usually blooms from April to May every spring.

Growth habit of Isatis indigotica

Isatis indigotica is not cold-tolerant, and the most suitable temperature for its growth is between 20 degrees Celsius and 25 degrees Celsius. The temperature drops in winter, so it is necessary to take some warm-keeping measures to avoid freezing plants.

Where Isatis indigotica grows.

Isatis indigotica is suitable for growing in a warm and humid environment. It mainly grows in valleys or forests, and now it is distributed in many parts of China.

What does Banlangen look like?

Banlangen is light yellow. It is the dried root of plants and has great medicinal value. Generally, it can grow to a height of about 100 cm. Its rhizome is thick and conical.