Hypericum fissurale
Hypericum fissurale, known as cracked St. John's wort, is a flowering plant in the St. Johns's wort family endemic to northeastern Turkey. It is considered critically endangered on the IUCN [Red List] due to its very limited distribution and declining population. It was first formally named by Jurij Nikolaewitch Woronow in 1912. It is a small perennial herb in the section Hypericum [sect. Taeniocarpium|Hypericum sect. Taeniocarpium], reaching around in height. Like most Hypericum species, it has flowers with five yellow petals and numerous stamens. Hypericum fissurale is closely related to Hypericum armenum.