Fls perfect; sep 5, distinct, erect, scarious, striate; stamens 5, connate at base; ovary subglobose; ovules 2-several; style none to elongate; stigmas capitate or subulate; utricle usually circumscissile at the middle; seeds 2-several, lenticular; annual or perennial herbs, or shrubs in the tropics, with alternate, petiolate, entire or lobed lvs; fls in terminal or axillary spikes or axillary glomerules; commonly white, silvery, or colored. 60, widespread.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.