Scutellaria epilobifolia A. Ham. - Marsh Skullcap


 

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Scutellaria epilobifolia - (image 1 of 6)

 

Taxonomy

Family: Lamiaceae

Habitat

Stable marshes, bogs, moist shrub-carr.

Associates

In marshes with Asclepias incarnata, Calamagrostis canadensis, Eupatorium maculatum, Eupatorium perfoliatum, Impatiens capensis, Lysimachia terrestris, Rumex orbiculatus, Sagittaria latifolia, Typha latifolia, Verbena hastata. In bogs with Galium labradoricum, Larix laricina, Menyanthes trifoliata minor, Potentilla palustris, Salix candida, Sarracenia purpurea. In moist shrub-carr with Bidens coronata, Campanula aparinoides, Cornus stolonifera, Thelypteris palustris, Galium tinctorium, Glyceria striata, Impatiens capensis, Lycopus uniflorus, Salix petiolaris.

Distribution

Circumboreal (if included with S. galericulata); in North America south to DE, IN, MO, and CA.

Morphology

Rhizomatous, herbaceous perennial. Leaves short petiolate; petiole 1-4 mm long; blades lanceolate to narrowly ovate-oblong, pinnately veined, mostly blunt-toothed, to 6 cm long and 2 cm wide, truncate-subcordate base, glabrous above, puberulent beneath. Flowers 2-lipped, solitary in the axils of leaves; calyx tube with a protuberance on the upper side; corolla blue marked with white, 1-2 cm long.

Notes

Flowers mid June to late September

Wetland indicator: Obligate

Some authors call this S. galericulata L., making no distinction between North American and European plants. Others call ours S. galericulata var. epilobifolia.

References

Crow, Garrett E and C. Barre Hellquist. 2000. Aquatic and Wetland Plants of Northeastern North America
Vol. 1. Pteridophytes, Gymnosperms, and Angiosperms: Dicotyledons
The University of Wisconsin Press. Madison, WI

 

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States
and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


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 Michael Hough 2005