Crown of Thorns
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Crown of Thorns
Name: Euphorbia milii
Description: A small evergreen shrub with thorns on purple / brown stems and branches, can grow up to 3 feet. Leaves are oval shaped and few in number. Flowers grow in clusters and are bright red.
Concern level: Only during drought conditions, unpalatable with big thorns.
Toxic parts: The whole plant is toxic. The thorns can cause mechanical damage to mouth and throat area.
Symptoms: Irritation, blistering and swelling of mouth and gastrointestinal upset, hemorrhage and diarrhea, excess drooling, weakness.
Danger: Contains phorbol esters which can alter enzyme and protein functions. Can promote tumors and cytoskeletal damage. Death is rare.
More information: Veterinary Medicine Library
Poisonous plants by letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Looking for a plant but don't know the name? Try the toxic plant identifier
This information is for reference only, if you think your horse has eaten something toxic, call your vet right away.
