Filago is a genus of plants in the sunflower family, native from Europe and northern Africa to Mongolia, Nepal, and Macaronesia. They are sometimes called cottonroses or cudweeds.Linnaeus, Carl von. 1753. Species Plantarum 2: 927 in LatinLinnaeus, Carl von. 1753. Species Plantarum 2: 1199 addendum in LatinTropicos, Filago L.Altervista Flora Italiana, genere Filago includes photos, drawings, + distribution mapsFlora of China Vol. 20-21 Page 774 絮菊属 xu ju shu Filago Linnaeus, Sp. Pl. 2: 927, 1199, [add. post indicem]. 1753.
The name cudweed comes from the fact that they were once used to feed cows that had lost the ability to chew the cud.Wild Flowers Of the British Isles Website
Several species are sometimes treated as members of the genus Logfia.
Description They bear woolly, cottony heads of flowers. They have narrow strap-shaped untoothed leaves. The flower heads are small, gathered into dense, stalkless clusters. The fruits have a hairy pappus, or modified calyx, the part of an individual disk, ray or ligule floret surrounding the base of the corolla, in flower heads of the plant family Asteraceae.
Species The following species are recognised in the genus Filago:
References
External links
Jepson Manual Treatment