Galium rubrum

Galium rubrum (reddish bedstraw or Caglio arrossato) is a plant species in the Rubiaceae. It is known only from mountainous areas on Switzerland and northern Italy (Valle d'Aosta, Piemonte, Lombardia, Trentino-Alto Adige, Veneto, Friuli-Venezia Giulia, Liguria, Emilia-Romagna).
"Galium rubrum" is an erect to ascending herb with large panicles bearing many small pink or red flowers.