• 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 - Bractlets of the epicalyx 3, narrowly linear; cal-lobes broadly ovate, persistent; stamen-column bearing anthers at the summit; pet yellow; carpels 5–many, separating at maturity and in our sp. dehiscent, 1-seeded, at maturity conforming with the shape of the seed and not much larger than it, the distal and basal parts not differentiated; annual or perennial herbs with lanceolate to ovate, serrate but not lobed lvs, and small, short- pediceled fls solitary or fascicled in the upper axils. 14, New World.