• 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 numerous, commonly about 12, linear; stamen- column with anthers along the sides; style-column prolonged, bearing 5 short branches with capitate stigmas; cor large; ovary 5-locular; ovules several in each locule; fr a subglobose to ovoid or prismatic, loculicidal capsule subtended or enclosed by the persistent, accrescent cal; seeds glabrous or roughened or hairy; annual or perennial herbs or shrubs, mostly with large fls. 200+, mostly warm reg.