Rumex longifolius DC.

  • Authority

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

  • Family

    Polygonaceae

  • Scientific Name

    Rumex longifolius DC.

  • Description

    Species Description - Coarse perennial to 1.5 m; lower lvs narrowly oblong, broadest near the middle, tapering to an acute base; mature pedicels visibly jointed near the base; valves rotund to subreniform, 4–6 × 5–7 mm, entire or toothed, reticulate-veiny, without grains; 2n=40, 60. Native of n. Europe, sparingly intr. in our range, mainly toward the north. (R. domesticus)

  • Common Names

    yard-dock