Adders-Tongue Plants: A Guide to the Long, Thin Leafed Species

Adders-tongue is a common name for several plants that have a long, thin, tongue-like shape to their leaves or flowers. These plants are typically found in moist, shady areas and can be found in many parts of the world. Some examples of plants that are known as adders-tongue include:

1. Lesser celandine (Ranunculus ficaria) - This plant has heart-shaped leaves with a long, pointed tip that resembles a tongue. It is found throughout much of Europe and North America.
2. Greater celandine (Ranunculus glaberrimus) - This plant has larger, more rounded leaves than lesser celandine and is found in the Himalayas and other parts of Asia.
3. Adder's tongue fern (Scoliopterus bigelovii) - This plant has long, narrow fronds that resemble a snake's tongue. It is found in the southwestern United States and Mexico.
4. Adder's-tongue orchid (Himantoglossum hircanicum) - This orchid has a long, thin lip that resembles a tongue. It is found in the Caucasus region of Europe and Asia.

Adders-tongue is also sometimes used as a common name for other plants that have a similar shape or appearance to these species.