Calystegia spithamaea (L.) Pursh - Erect Bindweed


 

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Calystegia spithamaea - (image 1 of 2)

 

Taxonomy

Family: Convolvulaceae

Habitat

Fields, open woods, in dry rocky or sandy soil.

Associates

 

Distribution

Quebec and ME to MN, south to VA and MO, and in mountains to GA.

Morphology

Rhizomatous perennial; stems erect at least proximally; leaves short-petiolate, oblong to obovate-oblong, 3-8 cm, acute to rounded at the apex, rounded to truncate or cordate at the base, more or less hairy; peduncles few, 2-8 cm, borne 5-20 cm above the base of the plant; bracts oblong or ovate, rarely cordulate at the base; corollas white or pink, 4-7 cm.

Notes

Flowers May to July

Wetland indicator: NA

Similar to C. sepium which has trailing or twining rather than erect stems. I was lucky to find these plants in full bloom but unfortunately neglected to bring my camera that day, hence the pressed specimen photo.

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

 


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Michael Hough 2018