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Contents

   



(Top)
 


1 Cultivation and uses  





2 Ecology  





3 References  














Salix discolor






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Salix discolor
Shoot with leaves

Conservation status


Least Concern  (IUCN 3.1)[1]

Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Salicaceae
Genus: Salix
Species:
S. discolor
Binomial name
Salix discolor

Muhl.

Natural range of Salix discolor

Salix discolor, the American pussy willow[2]orglaucous willow,[3] is a species of willow native to North America, one of two species commonly called pussy willow.

It is native to the vast reaches of Alaska as well as the northern forests and wetlands of Canada (British Columbia east to Newfoundland), and is also found in the northern portions of the contiguous United States (Washington east to Maine, and south to Maryland).[2][4][5]

It is a weak-wooded deciduous shrub or small tree growing to 6 m (20 ft) tall, with brown shoots. The leaves are oval, 3–14 cm long and 1–3.5 cm broad, green above and downy grey-white beneath.

The flowers are soft silky silvery catkins, borne in early spring before the new leaves appear, with the male and female catkins on different plants (dioecious); the male catkins mature yellow at pollen release.

The fruit is a small capsule 7–12 mm long containing numerous minute seeds embedded in cottony down.[4][5]

Cultivation and uses

[edit]

Like other willows, it contains salicin, and was used by Native Americans as a painkiller.[5]

As with the closely related Salix caprea (European pussy willow), it is also often grown for cut flowers. Pussy willow has further cultural information and other uses.

Ecology

[edit]

Male flowers provide pollen for bees, and it is a popular larval host, supporting the Acadian hairstreak, black-waved flannel moth, cecropia moth, Compton's tortoiseshell, cynthia moth, dreamy duskywing, eastern tiger swallowtail, elm sphinx, imperial moth, Io moth, modest sphinx, mourning cloak, polyphemus moth, promethea moth, red-spotted purple, small-eyed sphinx, twin-spotted sphinx, and viceroy.[6]

References

[edit]
  1. ^ Stritch, L. (2018). "Salix discolor". IUCN Red List of Threatened Species. 2018: e.T126589188A126591045. doi:10.2305/IUCN.UK.2018-2.RLTS.T126589188A126591045.en. Retrieved 11 April 2024.
  • ^ a b "Salix discolor". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 10 January 2018.
  • ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  • ^ a b Plants of British Columbia: Salix discolor
  • ^ a b c Borealforests: Salix discolor
  • ^ The Xerces Society (2016), Gardening for Butterflies: How You Can Attract and Protect Beautiful, Beneficial Insects, Timber Press.

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Salix_discolor&oldid=1218366915"

    Categories: 
    IUCN Red List least concern species
    Salix
    Trees of Northern America
    Taxa named by Gotthilf Heinrich Ernst Muhlenberg
    Hidden categories: 
    Articles with short description
    Short description matches Wikidata
    Articles with 'species' microformats
    Commons category link is on Wikidata
    Taxonbars with 2529 taxon IDs
    Flora without expected TNC conservation status
     



    This page was last edited on 11 April 2024, at 08:59 (UTC).

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