Salix jepsonii
Encyclopedia
Salix jepsonii is a species of willow
known by the common name Jepson's willow. It is native to southernmost slopes of the Cascade Range
and the Sierra Nevada in California
, where its distribution extends just into western Nevada
. It grows along rivers and streams in high mountain habitat.
growing 1 to 3 meters tall, sometimes forming colonial thickets. The lance-shaped leaves may grow over 10 centimeters long. They are hairy when new, and have silky hairs on the undersides when mature. The inflorescence
is a catkin
of flowers, male catkins short and stout, measuring no more than 2 centimeters long, and female catkins reaching up to 6 centimeters in length.
Willow
Willows, sallows, and osiers form the genus Salix, around 400 species of deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions of the Northern Hemisphere...
known by the common name Jepson's willow. It is native to southernmost slopes of the Cascade Range
Cascade Range
The Cascade Range is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, and the notable volcanoes known as the High Cascades...
and the Sierra Nevada in California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
, where its distribution extends just into western Nevada
Nevada
Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...
. It grows along rivers and streams in high mountain habitat.
Description
It is a shrubShrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...
growing 1 to 3 meters tall, sometimes forming colonial thickets. The lance-shaped leaves may grow over 10 centimeters long. They are hairy when new, and have silky hairs on the undersides when mature. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...
is a catkin
Catkin
A catkin or ament is a slim, cylindrical flower cluster, with inconspicuous or no petals, usually wind-pollinated but sometimes insect pollinated . They contain many, usually unisexual flowers, arranged closely along a central stem which is often drooping...
of flowers, male catkins short and stout, measuring no more than 2 centimeters long, and female catkins reaching up to 6 centimeters in length.