Lycopus americanus Muhlenberg ex W.P.C. Barton. Common name: American Bugleweed. Phenology: Jun-Nov. Habitat: Marshes, bottomlands. Distribution: NL (Newfoundland) west to BC, south to FL Panhandle and CA.
Origin/Endemic status: Native
Taxonomy Comments: See comment under L. europaeus about hybridization between L. americanus and L. europaeus.
Synonymy ⓘ: = Ar, C, Fl6, GrPl, GW2, Il, K1, K3, K4, Mi, NcTx, NE, NY, Pa, RAB, S, Tn, Va, W, WH3, WV, Henderson (1962), Sorrie (1997); > Lycopus americanus Muhl. ex W.P.C.Barton var. americanus – F, G, Tat, Tx; > Lycopus americanus Muhl. ex W.P.C.Barton var. longii Benner – F, G, Tat; > Lycopus americanus Muhl. ex W.P.C.Barton var. scabrifolius Fernald – F, Tx
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 7
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Horticultural Information
Intro: Erect to leaning, rhizomatous perennial of freshwater tidal marshes, floodplain forests and alluvial swamps, sandy/gravelly bars and shores.
Stems: Stems 4-angled and ridged, simple or extensively branched, smooth or sparingly hairy.
Leaves: Leaves opposite, petiolate, lance- to elliptic-lance-shaped, 1 1/4-3 in. long, deeply toothed (less so in upper leaves), minutely hairy on veins beneath.
Inforescence:
Flowers: Flowers in small, axillary heads. Each flower white, less than ¼ in. long, short-tubular and opening to 4 spreading lobes. The light green, tubular, 5-lobed calyx is shorter than the corolla, and there are 2 protruding stamens.
Fruits: Fruit a set of 4 nutlets forming a square inside the persistent calyx; calyx lobes exceed the nutlets.
Comments:
Height: 1-3 ft.
plant sale text:
bloom table text:
description: Erect to leaning, rhizomatous perennial of freshwater tidal marshes, floodplain forests and alluvial swamps, sandy/gravelly bars and shores.
stems: Stems 4-angled and ridged, simple or extensively branched, smooth or sparingly hairy.
leaves: Leaves opposite, petiolate, lance- to elliptic-lance-shaped, 1 1/4-3 in. long, deeply toothed (less so in upper leaves), minutely hairy on veins beneath.
inflorescence:
flowers: Flowers in small, axillary heads. Each flower white, less than ¼ in. long, short-tubular and opening to 4 spreading lobes. The light green, tubular, 5-lobed calyx is shorter than the corolla, and there are 2 protruding stamens.
fruits: Fruit a set of 4 nutlets forming a square inside the persistent calyx; calyx lobes exceed the nutlets.
comments:
cultural notes:
germination code:
native range: North America