Mountain Mahogany (Cercocarpus montanus)

1
Mountain Mahogany (Cercocarpus montanus)

• Three varieties of mountain mahogany grow in
  Texas. Members of the rose family.
• Toxic agent contains concentrations of cyanogenic
  glycosides and under certain conditions may
  develop hydrocyanic acid (HCN)

2
Chokeberry, Wild Plum, Wild Cherry (Prunus spp.)

• Shrubs or small trees with alternate or bunched,
  simple leaves belonging to the rose family.
• Several species of Prunus produce hydrocyanic
  acid (HCN) under certain conditions.

3
Dutchmans Breeches (Thamnosma texana)

• Perennial weed that is a member of the citrus
  family.
• Toxic properties can be attributed to the
  presence of photosensitizing linear furocoumarins
  (psoralens) in the plant.

4
Jimsonweeds, Thornapples (Datura spp.)

• Several species of jimsonweeds grow in West
  Texas.
• Toxicity results from a high content of tropane
  alkaloids (atropine, scopolamine, hyoscyamine)
  Livestock and people can be poisoned by eating an
  part of the plant.

5
Silverleaf Nightshade (Solanum eleagnifolium)

• An upright, prickly perennial in the potato
  family, usually 1-3 tall.
• This plant has reportedly poisoned horses, sheep,
  goats, cattle and people. However, sheep and
  goats resist it more than cattle. Toxic agent is
  solanine.