Robert W. Freckmann Herbarium


  Decodon verticillatus (L.) Elliott image
Photographer: Steve C. Garske           

Botanical Illustration

Emmet J. Judziewicz

Emmet J. Judziewicz

Marjory Brzeskiewicz

Marjory Brzeskiewicz

Matthew L. Wagner

Merel R. Black

Merel R. Black

Paul Skawinski

Paul Skawinski

Steve C. Garske

Steve C. Garske

Steve C. Garske

Steve C. Garske

Stephen L. Solheim
Family Lythraceae
Decodon verticillatus (L.) Elliott
swamp loosestrife, water-willow, whorled loosestrife
Decodon: Greek deca for "ten" and odous for "tooth"
verticillatus: whorled
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: arching perennial, 1'-9' tall, semi-aquatic, emergent forb, often forming floating mats in soft sediment areas; angled stems woody at the base, arching over and re-rooting in the water
Flower: pink, 5-parted, 1/3"-1/2" long, obvious petals narrowing toward the base, 8-10 protruding stamens of 2 alternating lengths; inflorescence a dense cluster (cyme) of stalked flowers from the upper leaf axils; blooms Aug.-Sept.
Fruit:rounded capsule with many seeds
Leaf:short-stalked, lance-shaped, in whorls of 3 or 4 or in opposite pairs
Habitat: shallows, lake shores, still water; in mucky, peaty soil
(Glossary)

More Information Natural Communities Herbarium Specimens
All Decodon list Google- Images or Text
Synonyms 
(for list of synonyms - see the varieties)

         
  Home
Faculty
Botany News/Events
Projects
Book We Recommend
Historical Botanists
Other Links
Botanical Club of Wisconsin (off site)
UW-Stevens Point Biology Dept.
 
Plants of Wisconsin
Vascular Plants
Bryophytes
Ethnobotany
Natural Communities
Botany News/Events
Other Links
Lichens (off site)   
Tom Volk's Fungi (off site)
Taxonomy of Vascular Plants
                          Vascular Plants
Browse by Identification Guides
Family Wildflowers
Genus Trees
Common Names Shrubs
Search by Vines
Names Aquatic-Semi aquatic
Specimens Ferns - Fern Allies
Blooming Times Grasses, Sedges, or Rushes
County & Status Other Resources  
Town Range Taxonomy of Vascular Plants
  WI Checklist & CofC Values
Bryophytes
Browse by:
Common Name
Genus
Search by:
County
 Name
Copyright 2012 Permissions Contact Us Web Map