Fls unisexual, 4-merous, small, sessile in the axils of bracteal or foliage lvs, often aggregated into an emersed terminal spike; cal of 4 teeth, or obsolete; pet present or not; stamens 8 or 4 (even in one sp.); fr hard, ±4-lobed, eventually splitting into 4 mericarps; vegetatively plastic herbs, submersed in quiet water or rooting on muddy shores, usually with once-pinnately dissected lvs. 20+, cosmop.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission. |
||
Footer MenuFunded by Institute of Museum and Library Services (IMLS) Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org Copyright © 2001–2009 The vPlants Project, All Rights Reserved. The Morton Arboretum, The Field Museum, Chicago Botanic Garden, Additional Partners |