| Omalotheca sylvatica | |
|---|---|
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Scientific classification 
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| 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 | |
Synonymy
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Omalotheca sylvatica, synonyms including Gnaphalium sylvaticum, is a species of plant in the family Asteraceae. It is commonly known as heath cudweed, wood cudweed, golden motherwort, chafeweed, owl's crown, and woodland arctic cudweed. It is widespread across the temperate Northern Hemisphere, throughout North America and Eurasia. The species was first formally described by Carl Linnaeus in 1753 as Gnaphalium sylvaticum.
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.
References
- ^ "Omalotheca sylvatica (L.) F.W.Schultz & Sch.Bip". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-04-20.
- BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
- An illustrated flora of the northern United States: Canada and the British possessions from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic ocean westward to the 102d meridian, Volume 3, 1898, p. 403.
- NRCS. "Omalotheca sylvatica". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 22 July 2015.
- Altervista Flora Italiana, Gnaphalium sylvaticum L. includes photos and European distribution map
- "Omalotheca sylvatica". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 18 March 2009.
- Rose, Francis (1981). The Wild Flower Key. Frederick Warne & Co. pp. 377–380. ISBN 0-7232-2419-6.
External links
Media related to Gnaphalium sylvaticum at Wikimedia Commons- Online Atlas of the British and Irish flora, Gnaphalium sylvaticum (Heath Cudweed)
- Gnaphalium sylvaticum - (Omalotheca sylvatica) Botanik im Bild / Flora von Österreich
| Taxon identifiers | |
|---|---|
| Omalotheca sylvatica |
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| Gnaphalium sylvaticum |
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