By: Josh Carlson
4-12-10
http://www.agf.gov.bc.ca/cropprot/weedg
uid/images/11b.jpg
 310-320
genera
 7500 species
 Most common in tropical settings
 Species that live in MN
• Grasslands, agricultural fields, forests
 Herbs, shrubs, stem
succulents (thick
water-filled stems); e.g., cactus or aloe
 Leaves: alternate or opposite or whorled,
simple or palmate, stipulate or estipulate,
 Monoecious or dioecious
 Flowers: imperfect, regular or naked
 Sepals:0-8 (usually 5)
• Distinct and or connate
 Petals: 4-8
• Distinct or basally connate
 Stamens: 1-
many
• Distinct or connate
 Carpels: 3
• Ovary superior with 1-20 locules
 Fruit:
schizocarpic capsule (rarely a
drupe, pod, berry, or samara)
 Leaves: alternate
 Fruit: capsule
 Flowers: yellow
 If
broken both the stem
and leaves secrete a milky
fluid
 Invasive Plant
http://www.google.com/imgres?imgurl=http://www.em.ca
/garden/native/Euphorbia_esula2.jpg&imgrefurl=http://e
m.ca/garden/native/nat_Euphorbia%2520esula.html&h=75
2&w=500&sz=131&tbnid=_Bs8_orx1ldSM:&tbnh=276&tbnw=183&prev=/images%3Fq%3Deuph
orbia%2Besula&hl=en&usg=__JwxcdIfqqNPe7NDUzppkv4
V3-Ug=&ei=mjfDSfjOdOonQe7xP24CA&sa=X&oi=image_result&resnum=1&c
t=image&ved=0CAkQ9QEwAA
 Leaves: alternate
below
inflorescences and
opposite near to it
 Fruit: capsule
 Flowers: white
http://www.main.nc.us/graham/wildflowers/White/Flowering%20Spur
ge%20(Euphorbia%20corollata)%20Spurge%20Family%201.jpg

Walters, Dirk., Keil, David., Murrell, Zack. 2006. Vascular Plant Taxonomy . 5th ed. U.S.:
Kendall/Hunt. 423. Print.

http://www.team.ars.usda.gov/v2/leafyspurge.html.

http://www.missouriplants.com/Whitealt/Euphorbia_corollata_page.html. 2002