''Salix hookeriana'' is a species of
willow known by the common names dune willow, coastal willow, and Hooker's willow.
Description
''Salix hookeriana'' is a
shrub
A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...
or
tree growing up to tall, sometimes forming bushy colonial thickets. The leaves are up to 11 cm long, generally oval in shape, wavy along the edges, and hairy to woolly in texture with shiny upper surfaces.
The
inflorescence is a
catkin
A catkin or ament is a slim, cylindrical flower cluster (a spike), with inconspicuous or no petals, usually wind-pollinated (anemophilous) but sometimes insect-pollinated (as in ''Salix''). They contain many, usually unisexual flowers, arranged cl ...
of flowers up to 9 cm long, with the female catkins growing longer as the fruits develop.
This willow may
hybridize
Hybridization (or hybridisation) may refer to:
*Hybridization (biology), the process of combining different varieties of organisms to create a hybrid
*Orbital hybridization, in chemistry, the mixing of atomic orbitals into new hybrid orbitals
*Nu ...
with similar species.
Taxonomy
The Latin
specific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''hookeriana'' refers to
William Jackson Hooker
Sir William Jackson Hooker (6 July 178512 August 1865) was an English botanist and botanical illustrator, who became the first director of Kew when in 1841 it was recommended to be placed under state ownership as a botanic garden. At Kew he ...
, author of Flora Boreali-Americana in which the species was first published.
[Sue Gordon (Editor) ]
Distribution
The plant is native to the west coast of North America from
Alaska to northern
California, where it grows in coastal habitat such as
beaches,
marshes,
floodplains, and
canyon
A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tenden ...
s.
File:Salix hookeriana USFWS.jpg, At the Humboldt Bay National Wildlife Refuge
Humboldt Bay National Wildlife Refuge is located on Humboldt Bay, on the California North Coast near the cities of Eureka and Arcata. The refuge exists primarily to protect and enhance wetland habitats for migratory water birds using the bay area ...
, California
References
External links
*
*
*
*
*
Jepson Manual Treatment: ''Salix hookeriana''Washington Burke Museum
hookeriana
Flora of Alaska
Flora of British Columbia
Flora of the Northwestern United States
Flora of California
Flora without expected TNC conservation status
{{Salicaceae-stub