Aconite (Aconitum)

AKA: Monkswood, Wolfsbane, Leopard's bane, women's bane, blue rocket, the devil's helmet, or "the queen of poisons" 

Climate:

• forests and mountain ranges of moderate temperature
• likes dark, fluffy, nutritious soil
• shady areas

Appearance:

• A pretty, unassuming flowering plant

Properties:

• it's poisonous (if you haven't figured it out already)
• poisonous sedative, deadly in even small doses
• death can occur within  2-6 hrs of exposure
• stage one of dying includes nausea, diarrhea and vomiting
• stage two includes burning, tingling and numbness in abdomen, mouth and face
• stage three includes sweating, dizziness, confusion, headaches, and trouble breathing
• stage four never happens because you are already dead

Uses:

• to kill
• to slow the heart rate
• to kill

Safety:

• always wear dragon-hide gloves when handling
• never handle with open wounds
• if it does get into wounds, apply the antidote (antropine), and go to St. Mungo's IMMEDIATELY, (but you'll probably still die anyway)