hypericum Meaning, Definition & Usage

  1. noun large almost cosmopolitan genus of evergreen or deciduous shrubs and herbs with often showy yellow flowers; cosmopolitan except tropical lowlands and Arctic or high altitudes and desert regions
    genus Hypericum.

WordNet

Hy*per"i*cum noun
Etymology
L., fr. Gr. , under, among + , , heath, heather.
Definitions
  1. (Bot.) A genus of plants, generally with dotted leaves and yellow flowers; -- called also St. John's-wort.

Webster 1913