What ecosystem is periwinkle in?

Answer 1

Periwinkles are found in the littoral zone (the shallow areas of water bodies). The latin name of a periwinkle is Littorinidae so it is easy to remember.

Answer 2

Plants; it is a flower.
It has been named two times in the literature so described as species known as myrtle.
Originally native on the island of Madagascar, cultivated for 100's of years and now growing wild in most warm regions of the world.
Folk remedy: historically treat a wide assortment of diseases.
Magic plant: ward off evil spirits.
The alkaloids found by researchers report serious side effects such as nausea and hair loss and it is not recommended that people medicate themselves with periwinkles.