- Source: Omalotheca sylvatica
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
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
Kata Kunci Pencarian:
- Omalotheca sylvatica
- Omalotheca
- Omalotheca norvegica
- List of Canadian plants by family A
- Digitivalva reticulella
- Gnaphalium
- Hellinsia distinctus
- List of Asteraceae of Great Britain and Ireland
- List of vascular plants of the Karelian Isthmus
- Flora of the Massif central