1. Shrub of sandy woodlands and stream banks of western United States having hoary pinnate flowers and dull-coloured racemose flowers; thought to indicate the presence of lead ore
   - leadplant, lead plant

Type of: amorpha

• opt
• opt out
• optative
• optative mood
• Optez
• opthalmic
• optic
• optic axis
• optic chiasm
• optic chiasma
• optic cup
• optic disc
• optic disk
• optic nerve
• optic radiation
• optic tract
• optical
• optical aberration
• optical activity
• optical art
• optical bench
• optical character recognition
• optical condenser
• optical crown
• optical crown glass