Robert W. Freckmann Herbarium


  Euphorbia esula L. var. esula image
Photographer: Steve C. Garske           

Botanical Illustration

Derek Anderson

Derek Anderson

Keir Morse

Kenneth J. Sytsma

Kurt Stüber

Christopher Noll

Christopher Noll

Christopher Noll

Christopher Noll

Robert Bierman

Steve C. Garske

Steve C. Garske

Steve C. Garske

Steve C. Garske
Family Euphorbiaceae
Euphorbia esula L. var. esula
leafy spurge, wolf's-milk
Euphorbia: for Euphorbus, corpulent Greek physician of Juba II, King of Mauretania. Juba, educated in Rome, and married to daughter of Antony and Cleopatra. From eu, "good" and phorbe, "pasture or fodder," thus giving euphorbos the meaning "well fed."
esula: old name from Celtic esu for "sharp" referring to acrid milky juice
Hazardous hazard symbol- click for definition   Restricted Invasive - Eradicate!  Stop It symbol- click for definition
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - naturalized; ecologically invasive and noxious weed
Plant: erect, perennial, 12"-28" tall, usually hairless forb, milky white sap that can cause skin rashes; stems with usually 7-15 alternate, flowering branches below the main umbel; colony-forming roots to 15' deep
Flower: green to yellow, no petals or sepals, upper leaves petal-like; inflorescence a 5" wide umbel with opposite leaves; blooms May-Sept.
Leaf:bluish-green; alternate stem leaves linear to lance-like; those below the flower umbel shorter and wider, becoming oval
Habitat: sun; dry; disturbed sites; in light soil
Notes: to eradicate, use herbicide annually; biologically control with insects and goats; toxic to cattle
(Glossary)

More Information Natural Communities Herbarium Specimens
All Euphorbia list Ethnobotany Information Google- Images or Text
Synonyms 
Euphorbia intercedens Podp. ex Harrington
Euphorbia poderae Croizat
Galarhoeus esula (L.) Rydb.
Tithymalus esula (L.) Hill

         
  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