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The Mission of the Yellowstone County Weed Department is to assist the public, private, and other government agencies to manage and control existing noxious weed infestations as well as to prevent new invasive species from infesting Yellowstone County.
Flowering RushButomus umbellatus
Photo from Weeds of the West, revised edition.
Photos from Montana Weed Control Association
Video Supplied By Montana Weed Control Association
| Attribute | Description |
|---|---|
| Growth Habit | A perennial, emergent aquatic herb that grows to a height of 1 meter. |
| Leaves | Leaves grow upwards from the rhizome at the base of the plant on opposite sides of the stem. Leaves are approximately 1 meter long and approximately 1 cm wide. They have smooth edges, are triangular in cross section, veins run parallel to the edge of the leaf, and the ends of the leaves are twisted. |
| Stem | Stem is leafless, and grows taller than the leaves to over a height of 1 meter. |
| Flower | Flowering occurs throughout the summer but high water can hinder or prevent flowering. The flower is made up of 3 petals and 3 sepals. Flower color ranges from deep pink to white and the sepals occasionally have a slight green tinge. |
| Roots | Thick, creeping rhizome. |
| Seeds | Seeds are dark brown beaked fruits. |
| Reproduction | Reproduces mainly by rhizomes and seeds. Seeds are long lived thus enabling its ability to disperse. |
| Habitat | Riparian areas or areas with shallow or slow-moving water. |
| Biological Control | — |
| Herbicides | — |