Plumbagineous /(plŭm`bȧ*jĭn"ē̇*ŭs)/

Plum·ba·gin·e·ous

Plumbagineous

a.
  1. Pertaining to natural order (Plumbagineæ) of gamopetalous herbs, of which Plumbago is the type. The order includes also the marsh rosemary, the thrift, and a few other genera. (Bot.)