Deer tongue (Pyrrosia lingua)

Deer tongue (Pyrrosia lingua) is a plant native to East Asia. Its traditional names are Tongue Fern in English, shi wei in Chinese or also bindas medicinal. It is a species of fern that grows on trees as an epiphytic plant. Characteristic of this plant are its leaves, which are shaped like elongated, leathery tongues, hence its name. In addition to the leaves, tiny, rusty brown sporangia are also visible on the plant.

Deer tongue is mainly known for its medicinal effects in traditional Chinese medicine. It is often used in the treatment of various kidney ailments as it acts as a powerful diuretic. Because of its anti-inflammatory and antimicrobial effects, it is also used in the treatment of fevers, inflammatory processes and skin diseases. The plant produces a tea which, in addition to its medicinal properties, also has a very specific and pleasant taste. In addition, it is also used to make various ointments, creams and other medicinal products. The deer tongue is thus a very versatile plant that can be appreciated by both fern lovers and traditional medicine experts.