Omalotheca sylvatica

Species of flowering plant From Wikipedia, the free encyclopedia

Omalotheca sylvatica, synonyms including Gnaphalium sylvaticum, is a species of plant in the family Asteraceae.[1] It is commonly known as heath cudweed,[2] wood cudweed, golden motherwort, chafeweed, owl's crown,[3] and woodland arctic cudweed.[4] It is widespread across the temperate Northern Hemisphere, throughout North America and Eurasia.[5] The species was first formally described by Carl Linnaeus in 1753 as Gnaphalium sylvaticum.[6]

Quick facts Scientific classification, Binomial name ...
Omalotheca sylvatica
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Omalotheca
Species:
O. sylvatica
Binomial name
Omalotheca sylvatica
(L.) F.W.Schultz & Sch.Bip.
Synonyms[1]
Synonymy
  • Dasyanthus fuscus Bubani, nom. superfl.
  • Dasyanthus sylvaticus (L.) Bubani
  • Filago recta (Sm.) Link
  • Filago sylvatica (L.) Link
  • Gamochaeta sylvatica (L.) Fourr.
  • Gnaphalium alpigenum K.Koch
  • Gnaphalium carpetanum Boiss. & Reut. ex Willk. & Lange
  • Gnaphalium einseleanum F.W.Schultz
  • Gnaphalium fuscatum Schur, nom. illeg.
  • Gnaphalium mutabile Rochel
  • Gnaphalium rectum Sm.
  • Gnaphalium sophiae Heldr. ex Boiss.
  • Gnaphalium spadiceum Gilib., opus utique oppr.
  • Gnaphalium sylvaticum L.
  • Gnaphalium sylvaticum subsp. rectum (Sm.) Čelak.
  • Gnaphalium sylvaticum subvar. pumilum Gaudin
  • Gnaphalium sylvaticum var. acaule Behm
  • Gnaphalium sylvaticum var. alpestre Brügger
  • Gnaphalium sylvaticum var. angustifolium Gaudin
  • Gnaphalium sylvaticum var. atriceps Briq. & Cavill.
  • Gnaphalium sylvaticum var. carpetanum Boiss. & Reut. ex Willk.
  • Gnaphalium sylvaticum var. citrinum Gaudin
  • Gnaphalium sylvaticum var. latifolium Gaudin
  • Gnaphalium sylvaticum var. minus Godet
  • Gnaphalium sylvaticum var. montanum Neilr.
  • Gnaphalium sylvaticum var. nanum Duby ex St.-Lag.
  • Gnaphalium sylvaticum var. nigrescens Gren.
  • Gnaphalium sylvaticum var. pallidum Schur
  • Gnaphalium sylvaticum var. pediophilum Wimm. & Grab.
  • Gnaphalium sylvaticum var. praecox F.W.Schultz
  • Gnaphalium sylvaticum var. rectum (Sm.) Gaudin
  • Gnaphalium sylvaticum var. sericeum Spenn.
  • Gnaphalium sylvaticum var. subarcticum Schur
  • Helichrysum strictum Moench
  • Omalotheca einseleana (F.W.Schultz) F.W.Schultz
  • Omalotheca sylvatica subsp. carpetana (Boiss. & Reut. ex Willk.) Rivas Mart.
  • Omalotheca sylvatica var. carpetana (Boiss. & Reut. ex Willk.) T.Romero Martín & E.Rico
  • Synchaeta silvatica (L.) Kirp.
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Description

It is a perennial herb with short runners, growing to 8 to 60 cm tall. Its leaves are lanceolate in shape, pointed, 2 to 8 cm long, with a single vein. They have no hair on top, but are woolly hairy below. The upper leaves become progressively shorter and narrower. The flower heads are 6 mm long. The bracts of the flower heads have a green centre, and chaffy brown edges. The florets are pale brown. The achenes are hairy with reddish pappus hairs. It flowers from July until September.[7]

References

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