echinacea

plural echinaceas

1. countableAny of several plants, of genus Echinacea, having pinkish-purple flowers.
2. uncountableA herbal medicine extracted from the roots and seeds of such plants.

   Athletes' use of herbal supplements has skyrocketed in the past two decades. At the top of the list of popular herbs are echinacea and ginseng, whereas garlic, St. John's wort, soybean, ephedra and others are also surging in popularity or have been historically prevalent.

   2013 March 28, David S. Senchina, “Athletics and Herbal Supplements”, in American Scientist, volume 101, number 2, archived from the original on 16 May 2013, page 134