Northern Prairie Wildlife Research Center
Rough Bugleweed (Lycopus asper)
- Family: Mint (Lamiaceae)
- Flowering: July-August.
- Field Marks: This Lycopus is distinguished by its toothed leaves which have no stalks and its long-pointed calyx lobes.
- Habitat: Low woods, marshes, wet shores.
- Habit: Perennial herb with thickened tubers.
- Stems: Erect, usually unbranched, hairy, up to 2 foot tall.
- Leaves: Opposite, simple, lanceolate to oblong, pointed at the tip, tapering to the base, toothed, hairy, up to 3 inches long, without stalks.
- Flowers: Several in clusters in the axils of the leaves, white, without a stalk.
- Sepals: 4, green, united, hairy, the lobes long-pointed.
- Petals: 4, white, united, up to 1/6 inch long.
- Stamens: 2, attached to the corolla, not exserted.
- Pistils: Ovary superior, 4-parted.
- Fruits: 4 nutlets, warty at the tip, less than 1/10 inch long.
- Notes: The thickened tubers are a source of food for muskrats.
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