Annual to perennial herbaceous plants or small shrubs from the labiate family with gray hairy stem leaves, lip-shaped, mostly yellow flowers. Originating from the mountainous areas of Greece and the southern Balkan Peninsula, Sideritis scardica is mainly found in northern Greece above the tree line at an altitude of 1,300 to 2,200 meters. A distinction is made between various limb herbs:
Balkan limb herb, Greek vervain - Sideritis scardica Griseb.
Syrian limb herb - Sideritis syriaca
The dried stems and leaves (sideritis herb, Greek mountain tea - Sideritis herba) are used phytotherapeutically. No pharmacopoeia quality description.