Filago (genus)
Encyclopedia
Filago is a genus of plants in the sunflower family
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

. They are sometimes called cottonroses or cudweeds. The name cudweed comes from the fact that they were once used to feed cows that had lost the ability to chew the cud
Cud
Cud is a portion of food that returns from a ruminant's stomach in the mouth to be chewed for the second time. More accurately, it is a bolus of semi-degraded food regurgitated from the reticulorumen of a ruminant. Cud is produced during the physical digestive process of rumination, or "chewing the...

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Several species are sometimes treated as members of genus Logfia
Logfia
Logfia is a genus of plants.-Selected species:*Logfia arizonica Holub – Arizona cottonrose*Logfia arvensis Holub – field cottonrose*Logfia californica Holub – California cottonrose...

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Appearance

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
Pappus (flower structure)
The pappus is the 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. The pappus may be composed of bristles , awns, scales, or may be absent. In some species, the pappus is too small to see...


Selected species

Filago arizonica A.Gray

Filago arvensis L.

Filago asterisciflora (Lam.) Sweet

Filago californica Nutt.

Filago congesta DC.

Filago depressa A.Gray

Filago eriocephala Guss.

Filago gallica L. English name Narrow Leaved Cudweed

Filago germanica (L.) Hudson also known as Filago vulgaris. English name Common Cudweed.

Filago heterantha (Raf.) Guss.

Filago lojaconoi (Brullo) Greuter

Filago lutescens Jord. Also known as Filago apiculata. English name red-tipped Cudweed

Filago minima (Sm.) Pers. English name Small Cudweed. Has small brown flowers

Filago neglecta (Soy.-Will.) DC.

Filago pygmaea L.

Filago pyramidata L. Also known as Filago spathulata. English name Broad-leaved cudweed. Only rarely found in South East England, but common on the continent2

Filago tyrrhenica Chrtek & Holub

Filago vulgaris
Filago vulgaris
Filago vulgaris, commonly known as Common Cudweed, is a herbaceous annual plant of the genus Filago.The plant can reach 10 - 30 cm. The flowers are light yellow....

Lam. Also known as Filago Germanica. Common Cudweed

External links

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