The systematics, distribution and morphology of Galium setaceum (Rubiaceae) in Egypt are described in the
article. A full discussion is provided of all morphological characters, systematic treatment and nomenclature
based on macro characters, such as habit, distribution, leaf, inflorescence, peduncle, pedicel, flowers, and
micro characters of trichomes. G. setaceum subsp. decaisni is identified for the flora of Egypt for the first
time. Distribution maps, ecological information and a taxonomic key are provided for identification of the
two subspecies.