Northern Prairie Wildlife Research Center
American Bugleweed (Lycopus americanus)
- Family: Mint (Lamiaceae)
- Flowering: July-October.
- Field Marks: Species of Lycopus have axillary clusters of tiny white flowers. The American bugleweed differs from other species in the genus by its long, sharp-pointed sepals and its coarsely toothed or deeply pinnate leaves.
- Habitat: Around ponds and lakes, wet roadside ditches, along streams, in sloughs, low woods, wet meadows.
- Habit: Perennial herb without tuberous roots.
- Stems: Erect, unbranched, smooth, 4-sided, up to 1 foot tall.
- Leaves: Opposite, simple, lanceolate to lance-linear, usually coarsely toothed or even pinnately divided, smooth, up to 3 1/2 inches long.
- Flowers: Several crowded in the axils of the leaves, white, about 1/8 inch long.
- Sepals: 5, green, united below, narrowly triangular, with a sharp-pointed tip.
- Petals: Apparently 4, white, united below to form a short tube.
- Stamens: 2.
- Pistils: Ovary superior, 4-parted.
- Fruits: Nutlets about 1/12 inch long.
- Notes: The nutlets are eaten by waterfowl.
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