a tropical American plant, Justicia carnea, of the acanthus family, having hairy, prominently veined leaves and a short, dense cluster of purple or pink flowers, grown in greenhouses or outdoors in warm regions.
See under rhatany (def 1). either of two South American shrubs belonging to the genus Krameria, of the legume family, K. tiandra (knotty rhatany or Peruvian rhatany) or K. argentea (Brazilian rhatany or Pará rhatany) the root of either of these plants, used as an astringent and tonic in medicine and also to color port […]
a Brazilian tree, Dalbergia nigra, of the legume family. the hard, red, black-streaked wood of this tree, used for making furniture.
a light-rose spinel used as a gem: not a true ruby. a rose or pink topaz used as a gem: not a true ruby.
a blue variety of tourmaline used as a gem: not a true sapphire.