Arctium tomentosum
| Arctium tomentosum | |
|---|---|
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| Close-up on a flowers | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Arctium |
| Species: | A. tomentosum
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| Binomial name | |
| Arctium tomentosum Mill. 1768
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| Synonyms[1] | |
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Arctium tomentosum, commonly known as the woolly burdock[2] or downy burdock, is a species of burdock belonging to the family Asteraceae.[3] The species was described by Philip Miller in 1768.[4]
Distribution
[edit]This species is native to Eurasia from Spain[5] to Xinjiang Province in western China.[6] It is also naturalized in other parts of the world such as North America.[7]
Description
[edit]Arctium tomentosum is a biennial herbaceous plant. The stem is erect, with ascending branches. It can reach a height of about 2 metres (6 ft 7 in). Leaves are grayish white and quite felted, green and glabrous toward the stem. Basal leaves are petiolate. Leaf blade is heart-shaped, with rather denticulater margins. They can reach a length of 20–50 centimetres (7.9–19.7 in) and a width of 10–30 centimetres (3.9–11.8 in). Flowers are purplish red, with a diameter of 0.9–1.2 centimetres (0.35–0.47 in). This species can be distinguished from related ones because the underside of the leaves is covered with white woolly hairs. Flowers and fruits appear from July to September.[6][4]
Gallery
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Plant -
Leaf -
Inflorescence
References
[edit]- ^ The Plant List Arctium tomentosum Mill.
- ^ USDA, NRCS (n.d.). "Arctium tomentosum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 8 January 2016.
- ^ - Euro+Med PlantBase - The information resource for Euro-Mediterranean plant diversity.
- ^ a b Flora of North America Vol. 19, 20 and 21 Page 169 Woolly burdock, bardane tomenteuse, Arctium tomentosum Miller
- ^ Altervista Flora Italiana, Bardana lanuta, Arctium tomentosum Mill. includes photos plus European distribution map
- ^ a b Flora of China Vol. 20-21 Page 153 毛头牛蒡 mao tou niu bang Arctium tomentosum Miller
- ^ Biota of North America Program 2014 county distribution map
Sources
[edit]- Kell DJ. 2006. Arctium Linnaeus, Sp. Pl. 2: 816. 1753; Gen. Pl. ed. 5, 357. 1754. In Flora of North America Editorial Committee (Eds.) Flora of North America North of Mexico, Vol. 21: Asteraceae. New York and Oxford.
- Lopez-Vinyallonga S, Romaschenko K, Susanna A and Garcia-Jacas N. 2011. Systematics of the Arctioid group: Disentangling Arctium and Cousinia (Cardueae, Carduinae). Taxon 60(2): 539–554.
- Pignatti S. - Flora d'Italia (3 voll.) - Edagricole - 1982
- Tutin, T.G. et al. - Flora Europaea, second edition - 1993
- Zangheri P. - Flora Italica (2 voll.) - Cedam - 1976
External links
[edit]
Data related to Arctium tomentosum at Wikispecies
Media related to Arctium tomentosum at Wikimedia Commons- Catalogue of Life
- Tela botanica
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