Menyanthes trifoliata L.
Family: Menyanthaceae
bogbean, common buckbean
[Menyanthes trifoliata var. minor L.]
Menyanthes trifoliata image
Hugh H. Iltis  
Menyanthes trifoliata image
Janice Stiefel  
Menyanthes trifoliata image
University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP)  
Etymology: Menyanthes: ancient Theophrastian name for "month" and "flower," referring to length of time it blooms
Plants: erect, perennial, 4"-12" tall, fleshy aquatic
Leaves: 3-parted, basal, fleshy, hairless, on a long stalk with a wide, sheathing base
Flowers: white often with a purple-tinge, 5-parted, 1/2"-3/4" wide, throat coarsely hairy; inflorescence a branched, crowded cluster (cyme); blooms April-July
Habitat: quiet, shallow, cold water; bogs, forests, sloughs
Conservation Status: Native
Buckbean, bogbean. Characteristic of very wet, Sphagnum-Carex-Ericaceae bogs, open or with scattered trees, often on floating mats or in the shallow, acidic water of bordering moats, but sometimes in deep sphagnum, also wet tamarack, alder, or cedar-black ash swamps and swales behind sandspits along Lake Superior, local farther south in flooded willow or dogwood thickets, rarely in sedge meadow marshes of the central plain and relictual tamarack bogs and calcareous fens (e.g., Waubesa Wetlands SNA) in the southeast. A circumpolar species, readily distinguished by the pale, trifoliolate leaves and scapose racemes of heterostylous flowers, the bright white corollas of which are bearded or fringed on the inner surface with coarse, white hairs
Menyanthes trifoliata image
Janice Stiefel  
Menyanthes trifoliata image
Christopher Noll  
Menyanthes trifoliata image
James R. Sime  
Menyanthes trifoliata image
Janice Stiefel  
Menyanthes trifoliata image
Christopher Noll  
Menyanthes trifoliata image
Kenneth J. Sytsma  
Menyanthes trifoliata image
Eric J. Epstein  
Menyanthes trifoliata image
James R. Sime  
Menyanthes trifoliata image
Paul Skawinski  
Menyanthes trifoliata image
Kurt Stüber  
Menyanthes trifoliata image
Botancial Illustration  
Menyanthes trifoliata image
Botancial Illustration  
Menyanthes trifoliata image
Botancial Illustration  
Menyanthes trifoliata image
Botancial Illustration  
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Aaron_Carlson  
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Aaron_Carlson  
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Aaron_Carlson  
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Aaron_Carlson  
Menyanthes trifoliata image
Menyanthes trifoliata image
Aaron_Carlson  
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Aaron_Carlson  
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Aaron_Carlson  
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Aaron_Carlson  
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image
Menyanthes trifoliata image