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.[2][3][4]

Hieracium scouleri
At the Dark Divide, Washington
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Hieracium
Species:	H. scouleri
Binomial name
Hieracium scouleri Hook.[1]
Synonyms[1]
List Pilosella scouleri (Hook.) F.W.Schultz & Sch.Bip. Hieracium absonum J.F.Macbr. & Payson Hieracium albertinum Farr Hieracium chapacanum Zahn Hieracium cusikii Gand. Hieracium cynoglossoides Arv.-Touv. Hieracium flettii H.St.John Hieracium praealtum var. decipiens W.D.J.Koch Hieracium scouleri Hook. ex A.Gray

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.[5]

References

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

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