Harqus (Isem usnan: Galium perralderi) d talmest n yemɣi seg twacult n Rubiaceae (fr) . Ernest Cosson (fr) d amdan amezwaru i yuran fell-as deg useggas n 1862. Ismawen Isem-is s latinit: Galium perralderii Isem-is s tefransist: Galium Ismawen-is nniḍen s teqbaylit: Ismawen-is nniḍen s tmaziɣt: Isseqdac Tiwelhiwin Harkus