Fls 4-merous; sep ±connate at base, persistent; cor funnelform; stamens and style short, deeply included; ovary bilocular, with a single axile ovule in each locule; fr capsular, septicidal, one half retaining the septum and closed, the other half separating from the septum; herbs with dissected stipular sheaths and small white fls sessile or nearly so in axillary glomerules. 100, New World, mainly warm.

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

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