Salix sessilifolia is a species of willow known by the common name northwest sandbar willow. It is native to the west coast of North America from British Columbia and the US states of Washington and Oregon.[2] It grows on sandy and gravelly riverbanks, floodplains, and sandbars.

Salix sessilifolia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Salicaceae
Genus: Salix
Species:
S. sessilifolia
Binomial name
Salix sessilifolia
Natural range of Salix sessilifolia
Synonyms
  • Salix fluviatilis auct. non Nutt.
  • Salix macrostachya Nutt.
  • Salix exigua var. sessilifolia
  • Salix fluviatilis var. sessilifolia
  • Salix longifolia var. sessilifolia

Salix sessilifolia Nutt. is a shrub growing 3 to 5 metres (10 to 16+12 ft), exceptionally 7.5 m (24+12 ft) in height,[3] sometimes forming colonial thickets of clones by sprouting repeatedly from its root system. The leaves are up to 12 centimetres (4+12 in) long, oval with pointed tips, edged with spiny teeth, and generally coated thinly in silky hairs. The inflorescence is a catkin of flowers, male catkins up to 4.5 cm (2 in) long and female catkins longer and more slender.

References

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  1. ^ Stritch, L. (2020) [amended version of 2018 assessment]. "Salix sessilifolia". IUCN Red List of Threatened Species. 2020: e.T126590565A171686332. doi:10.2305/IUCN.UK.2020-2.RLTS.T126590565A171686332.en. Retrieved 1 July 2024.
  2. ^ Flora of North America vol 7 p 59
  3. ^ Arno, Stephen F.; Hammerly, Ramona P. (2020) [1977]. Northwest Trees: Identifying & Understanding the Region's Native Trees (field guide ed.). Seattle: Mountaineers Books. p. 191. ISBN 978-1-68051-329-5. OCLC 1141235469.
 
Natural range
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