Leatherstem

1
Leatherstem

• Erect, perennial, shrubby plant with simple or
  somewhat lobed leaves. Spurge family.
• Toxic agent is a phytotoxin (large protein
  molecules that may act as antigens or as
  proleolytic enzymes. Sheep and goats.

2
Abnormal Leaf-flower (Phyllanthus abnormis)

• Small, bushy annual or short-lived perennial
  herb.
• Toxic agent unknown. Sheep, cattle and goats,
  sheep and goats are more resistant than cattle.

3
Guajillo (Acacia berlandieri)

• Shrub to small tree in the legume family with few
  or no prickles.
• Sheep, goats and possibly cattle are poisoned.
  Leaves contain sympathomimetic amines,
  principally N-methyl-B-phenethy-lamine and
  tyramine.