Notes on Taxonomic Situation of Calenduleae Tribe in Iran

The Calenduleae tribe belongs to Asteraceae family, with ca 12 genera and 120 species are distributed in the Mediterranean, Irano-Turanian and Saharo- Arabian regions of world. According to flora Iranica Calendula L. and Dipterocome Fisch. & C. A. Mey. are 2 genera of Calenduleae in different regions of Iran. Calendula species generally grows in a variety of sites such as mountains, dry stony slopes in foothills, field edges, margins of gardens and road sides, also Dipterocome species generally grows in dry and saline areas and sandy deserts. It distributes in north west, centre and north east of Iran and also in Caucasus, Afghanistan, Iraq, Asia (central part), Africa and Syria. In this research based on the literature, available herbarium materials and field observation, this tribe has been revised. A revision of this tribe in Iran including: key, literature, synonymes and locality lists is presented; meanwhile a list of genera with the total number of the species for each genus recognized in Iran is added.