| Hieracium scouleri | |
|---|---|
| |
| At the Dark Divide, Washington | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Hieracium |
| Species: | H. scouleri |
| Binomial name | |
| Hieracium scouleri Hook. | |
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| Synonyms | |
List
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Hieracium scouleri, known as Scouler's woollyweed, is a species of flowering plant in the tribe Cichorieae within the family Asteraceae. It is native to western North America, from British Columbia and Alberta in Canada, and south to northern California and Utah in the United States.
Description
Hieracium scouleri grows in a variety of mountainous habitats. It produces a basal rosette of long, narrow leaves 10–20 centimetres (3.9–7.9 in) long, which are generally hairy to bristly. The plant produces an erect stem 30–70 centimetres (12–28 in) tall which bears the inflorescence. Each flower head has large, curling bracts with glandular hairs or bristles, long, bright yellow ray florets but no disc florets. The achene is about 3 millimetres (0.12 in) long.
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Flower heads have many bright yellow ray florets
References
- ^ "Hieracium scouleri Hook.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2022-08-31.
- Biota of North America Program 2014 county distribution map
- Calflora taxon report, University of California, Hieracium scouleri Hook., Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed, Scouler's woollyweed
- Turner Photographics, Hieracium scouleri - Wildflowers of the Pacific Northwest photos, description, partial distribution map
- Flora of North America, Hieracium scouleri Hooker, 1833.
External links
Media related to Hieracium scouleri at Wikimedia Commons- Jepson Manual Treatment
- Calphotos Photo gallery, University of California
- Oregon Flora Image Project, University of Hawai'i
| Taxon identifiers | |
|---|---|
| Hieracium scouleri |
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| Pilosella scouleri | |
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