Veronicastrum virginicum (L.) Farw. - Culver's Root


 

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Veronicastrum virginicum - (image 1 of 5)

 

Taxonomy

Family: Scrophulariaceae

Habitat

Prairie remnants, sand prairies, thin woodlands.

Associates

 

 Distribution

VT west to Ontario and Manitoba, south to GA and LA.

Morphology

Erect perennial to 2 m, typically with a few branches. Leaves in whorls of 3-6, petiolate, lanceolate to narrowly oblong or oblanceolate, acuminate, finely serrate, glabrous to villous beneath. Flowers numerous, crowded, divergent, in erect spikes 5-15 cm long; calyx deeply 4-5-parted, the lower portion longer than the upper; corolla white, 7-9 mm, tubular, the lobes shorter than the tube; stamens 2, inserted below the middle of the corolla tube, much exserted; style slender, about equaling the stamens; stigma 1. Fruit narrowly ovoid, 4-5 mm.

Notes

Flowers late June to late August

Wetland indicator: Facultative

Most frequent is areas managed by fire. One other species in this genus occurs in eastern Asia.

References

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