• 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 - Fls regular; sep 5, spurred at the base; pet 5, or none, long-clawed, the scarcely dilated blade nectariferous at the summit; stamens 5–20; pistils numerous, on a long, slender receptacle; achenes quadrate or hexagonal with a large basal scar, areolate on the sides, truncate and ridged on the summit; small annuals with linear lvs and 1- fld scapes. 6–7, widespread.

  • Common Names