Spiraea alba Du Roi - Meadowsweet


 

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Spiraea alba - (image 1 of 6)

 

Taxonomy

Family: Rosaceae

Habitat

Marshy meadows and peaty or boggy soils. Bogs, meadows, shorelines, thickets, and low ground.

Associates

These were found growing with Phlox glaberrima, Pycnanthemum virginianum, and Thelypteris palustris.

 Distribution

Newfoundland and Quebec west to Alberta, south to NC, MO, and SD.

Morphology

Small woody shrub to 2 m. Leaves alternate, simple, finely serrate, glabrous, more than 4 times longer than wide, stipules lacking. Flowers small, in a branched panicle, the branches pubescent; petals white, sometimes marked with pink; hypanthium shallow; ovary superior. Fruit a glabrous follicle.

Notes

Flowers mid June to mid September

Wetland indicator: Facultative Wetland +

This species is not often cultivated, unlike many other species in the genus Spiraea.

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