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Aquatic and Wetland Vascular Plants of the Northern Great Plains

41. Lamiaceae, the Mint Family

1. Lycopus L. -- Bugleweed

1. Lycopus americanus Muhl. ex Bart. -- American bugleweed


Simple or more often branched perennial 2-8 dm tall, from nontuberiferous rhizomes, glabrous or strigulose in the upper part. Leaves short-petioled to subsessile, the blades coarsely and irregularly incised-toothed to subpinnatifid with the lowest teeth largest, lanceolate to linear-lanceolate in outline, 3-8 cm long, 1-4 cm wide, acute at the tip, cuneate at the base. Calyx lobes slender, firm, sharply pointed, 1-2 mm long, distinctly surpassing the nutlets at maturity; corolla white, sometimes pink to purple-dotted, weakly surpassing the calyx. Nutlets rounded apically on the outer margin, mostly 1-1.5 mm long, the corky ridge continuous over the rounded apex. Jul--Sep. Marshes, wet meadows, shores, stream banks, ditches, springs and other wet places; common; (Newf. to B.C., s to FL, TX and CA).
GIF- Distribution Map

Map key


Return to Family -- Lamiaceae - The Mint Family
Next Section -- Lycopus asper Greene -- Rough bugleweed

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