[1] : The Collaborative International Dictionary of English v.0.48

hypericum \hyper"icum\, n. l., fr. gr. ?, ?; ? under, among +
   ?, ?, heath, heather. bot.
   a genus of plants, generally with dotted leaves and yellow
   flowers; -- called also st. john's-wort.
   1913 webster
see also:
st. john's-wort 

[2] : WordNet (r) 2.0

hypericum
     n : 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 syn: genus hypericum
see also:
genus hypericum 

Hypericum >> H Words
Hypericum, definition of term: Hypericum
hypericum_pag1.html

Hypericum Perfo >> H Words
Hypericum Perfo, definition of term: Hypericum Perfo
hypericum+perfo_pag1.html