1. Milkweed of central North America; a threatened species
   - Asclepias meadii, Asclepia meadii

Type of: milkweed, silkweed

• iron boot
• iron cage
• iron carbide
• Iron Chancellor
• iron collar
• iron curtain
• iron deficiency anaemia
• iron deficiency anemia
• iron disulfide
• Iron Duke
• iron filing
• iron fist
• iron foundry
• iron heel
• iron horse
• Iron Lady
• iron lung
• iron maiden
• iron manganese tungsten
• iron mold
• iron mould
• iron oak
• iron ore
• iron out
• iron overload