leadplant

• شجيرة تنمو في الترب الرملية والغابات والضفاف النهرية في غرب الولايات المتحدة، ذات أوراق ريشية فضية وأزهار سنبلية باهتة، وكانت تُعدّ تاريخياً مؤشراً على وجود خام الرصاص.

A shrub native to sandy woodlands and stream banks of the western United States, with hoary pinnate leaves and dull-colored racemose flowers, historically believed to indicate the presence of lead ore.

1. Shrub indicating lead oreC2formalamericanscientific

   A shrub of sandy woodlands and stream banks of western United States having hoary pinnate flowers and dull-colored racemose flowers; thought to indicate the presence of lead ore.

   شجيرة تدل على خام الرصاص

   • The leadplant is often found in sandy woodlands of the western United States.
   • Its hoary pinnate flowers are a distinctive feature of the leadplant.
   • Miners historically used the leadplant as a natural indicator of lead ore deposits.