• Authority

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

  • Family


  • Scientific Name


  • Description

    Genus Description - Cal tubular to campanulate, with prominent scarious or hyaline intervals between the more herbaceous ribs, commonly ruptured by the fr; cor funnelform or salverform to tubular; filaments generally equal and equally inserted; seeds 1–many per locule, sometimes becoming mucilaginous when wet; taprooted herbs with alternate (or all basal, or the lower opposite), entire to pinnatifid or ternate lvs, but without definite lfls; infl basically cymose. 60, New World, mainly w. U.S.