Photo © 2006, Garth Catterall-Heart
Scotch Broom
Scotch or Scots broom: Cytisus scoparius, also referred to as Sarothamnus scoparius, is a perennial shrub of the pea (Fabaceae/Leguminosae) family. Mature forms of this deciduous shrub range from 3 -10 feet (1-3 meters) in height. The green (when young) branches are strongly angled and appear nearly leaf-less. The short, almost linear leaflets are in sets of three near the stem bases and on young growth, becoming simple single leaves near the tops with short petioles. Scotch broom blooms between April and June in the Pacific Northwest. The yellow flowers are found in the joints of the stem (axils).
In the Pacific Northwest, broom has been widely used for landscaping, and has been planted along roads and waterways to help prevent erosion. However, according to the Oregon Department of Agriculture, Scotch Broom costs the state of Oregon more than $40,000,000 per year, mostly in lost forest production due to delays in reestablishing trees in clear-cuts. Broom is also effective at displac- ing native vegetation in meadows, riparian areas and floodplains. The damage caused by Scotch Broom is perhaps worst in meadows and other open areas where it not only displaces native species, reduces biodiversity and forage, but also alters the fundamental nature of the habitat by converting it from open systems to dense shrub lands
Photo ID = 050424_225c_4166
Keywords = Scotch Broom
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