What is watercress?

Watercress is also known as watercress, also known as oriental grass, watercress and so on. It is a perennial aquatic herb in the genus Brassica juncea of Cruciferae. Western cuisine originated in Europe, was introduced into China by Portugal in the 19th century, and has wild varieties in China, India and many parts of Southeast Asia. In China, there are more cultivation in Guangzhou, Shantou and Guangxi.

What is watercress?

Watercress is also known as watercress, also known as oriental grass, watercress, watercress, cold vegetables, lettuce, watercress, watercress and so on. It is a perennial aquatic herb of the genus Brassicaceae, 20-40 cm tall, all smooth and glabrous, odd-pinnate compound leaves, 3-9 leaflets, broadly ovate, oblong or suborbicular, petiolule slender and flat, petiole base auriculate, slightly clasping, raceme terminal, flowers numerous, sepals long-ovate, petals white, Obovate or broadly shaped, fruit stalk slender, style short, florescence April-May. The fruit period is from June to July.

Western cuisine originated in Europe and was introduced into China from Portugal in the 19th century. There are wild varieties in China, India and many parts of Southeast Asia. In China, there are more cultivation in Guangzhou, Shantou and Guangxi.

Growth habits of watercress

It likes cool sex and avoids high temperature. It grows well in the temperature range of 15-25 ℃. When the air temperature exceeds 30 ℃, the growth of the plant is affected. Resistant to frost, but the leaves are easy to fall off at this time.