Flowering Rush (Butomus umbellatus)
Identification: Flowering rush is a perennial plant. Its sword-shaped leaves are triangular in cross-section. It blooms from July to September. The flower stalks are umbrella-shaped clusters of many white to pink three-petaled flowers. It grows up to five feet high with leaves up to three feet long. Flowers are approximately one inch across.
Ecology and Natural History: Flowering rush is native to Africa, Asia, and Eurasia. The species was intentionally introduced as an ornamental plant. It is spread to new waterways by gardening and plant fragments clinging to boats and equipment.
Oneida County Waterbodies with Flowering Rush: Kawaguesaga Lake and Minocqua Lake.
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