Multiflora+Rose+-+2

=Multiflora Rose= //**Rosa Multiflora**// = =

=General information= ====


 * Rosa multiflora
 * The Multiflora Rose is a medium height, thorny, bushy shrub that has a height of 3-5 m. Each leaf is born alternately on stems and divided into 5-11 leaflets. The Multiflora Rose has clusters of numerous, white flowers that blossom in late spring. http://en.wikipedia.org/wiki/Multiflora_rose

=__Detailed Description__=
 * http://www.dnr.state.wi.us/invasives/fact/rose.htm The Multiflora Rose is a dense spreading shrub with wide arching canes and stiff curved thorns.
 * They bloom in the late spring with numerous white flowers that form panicle.
 * Where it grows in dense thickets, it replaces the surrounding vegetation.

=__Habitat and Description__=
 * The Multiflora Rose is naturilized in most northeastern and midwestern part of the United States. These plants are found in old fields, pastures, roadsides, and forests; it could live in a wide range of soil and environmental conditions.
 * Multiflora Rose invades prairies, savannas, open woodlands, and forest edges; it may also occur in dense forests.

=__**Impacts**__=
 * The Multiflora Rose is extremely prolific and can form impenetrable thickets that exclude native plant species. These plants/shrubs are very competitive for soil nutrients and they could lower crop yields in adjacent fields.
 * In the inner cities, most exotic species that are weedy are invasive and can tolerate urban conditions. Some species of human-introduced "landscape"

=__History__=


 * The Multiflora Rose is native to eastern Asia, China, Japan and Korea.

=Control Measures=
 * There are a few ways for the Multiflora Rose to be destroyed; mechanical control, chemical control and biological control.
 * For mechanical control, mowing or cutting with heavy equipment is proven effective. Chemically, herbicides on freshly cut stems is proven effective to destroy the root system of the plant. http://www.dnr.state.wi.us/invasives/fact/rose.htm Biological control shows that the Multiflora Rose is vulnerable to defoliation by Japanese beetles