Calystegia spithamaea (L.) Pursh

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family

    Convolvulaceae

  • Scientific Name

    Calystegia spithamaea (L.) Pursh

  • Description

    Species Description - Stems erect, at least to and including the flowering part, the remainder often elongating and eventually declined; lvs short-petioled, oblong to obovate- oblong, 3–8 cm, acute to rounded, at base rounded to truncate or cordate, always ± hairy; peduncles few, 2–8 cm, produced 5–20 cm above the base of the plant; bracts oblong or ovate, seldom cordulate at base; cor white or pink, 4–7 cm; 2n=22. Dry, rocky or sandy soil, fields, and open woods; Que. and Me. to Minn., s. to Va. and Mo., and in the mts. to Ga.; May–July. (Convolvulus catesbeianus; C. purshianus; C. spithamaeus) The more strongly hairy forms, with usually cordate-based lvs, occur chiefly in the s. Appalachian region and may merit varietal recognition. (Convolvulus spithamaeus var. pubescens)

  • Common Names

    low bindweed