Resumen de Study of the biogeography and centres of diversity in section "Sideritis" (genus "Sideritis, Labiatae")

Diego Rivera Núñez, Concepción Obón de Castro

• Section Sicieritis is endemic to the Western Mediterranean Region. The Iberian Peninsula, with 47 species, of which 37 are endemic exclusive, is the major centre of diversity for this Section, In this territory the highest diversity is found in the South-eastern quadrant. Northwest Africa is also a re Levant territory for this section, with about 20 endemic taxa.