Edosian orchid
An Edosian orchid was an herbaceous plant which produced beautiful flowers. 

While he served as a gardener at the Cardassian embassy on Romulus, Elim Garak specialized in Edosian orchids. He later mentioned to Odo that the orchids also happened to be extremely poisonous. ()

External link
 

de:Edosianische Orchidee
ja:エドシアン・ラン
nl:Edosian orchidee
Plants