Fls 5-merous; sep distinct; stamens 5 or 10; ovary 5-locular, the placentas typically extending to its summit; fr globose or ovoid; seeds numerous, minute, cylindric or clavate, obscurely areolate; small marsh-herbs with axillary fls and firm-walled frs. 20+, widespread.

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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