Hieracium scouleri

{{Short description|Species of flowering plant}}

{{Speciesbox

| image = Hieracium_scouleri_3372.JPG

| image_caption = At the Dark Divide, Washington

| genus = Hieracium

| species = scouleri

| authority = Hook.

| range_map = Range of Hieracium scouleri.svg

| synonyms_ref =

| synonyms = {{hidden begin|title = List}}

{{Species 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

}}

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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.[http://bonap.net/MapGallery/County/Hieracium%20scouleri.png Biota of North America Program 2014 county distribution map][http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=4191 Calflora taxon report, University of California, Hieracium scouleri Hook., Hounds tongue hawkweed, Houndstongue hawkweed, Scouler's hawkweed, Scouler's woollyweed ][http://www.pnwflowers.com/flower/hieracium-scouleri Turner Photographics, Hieracium scouleri - Wildflowers of the Pacific Northwest ] photos, description, partial distribution map

Description

Hieracium scouleri grows in a variety of mountainous habitats. It produces a basal rosette of long, narrow leaves {{convert|10|-|20|cm}} long, which are generally hairy to bristly. The plant produces an erect stem {{convert|30|-|70|cm}} 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 {{convert|3|mm}} long.[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066957 Flora of North America, Hieracium scouleri Hooker, 1833. ]

{{Gallery

|Hieracium scouleri 8614.JPG|Flower heads have many bright yellow ray florets

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References

{{Reflist|refs=

{{cite web |title=Hieracium scouleri Hook. |work=Plants of the World Online |publisher=Royal Botanic Gardens, Kew|url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:222808-1 |access-date=2022-08-31}}

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