rubiginose,a.|ruːˈbɪdʒɪnəʊs| [See next and -ose.] Rubiginous; spec. in Bot.(seequot. 1866). 1727Bailey vol. II, Rubiginose, rusty.1866Treas.Bot. 995 Rubiginose, brown-red; a term usually employed to denote a surface whose peculiar colour is owing to glandular hairs.