The Collaborative International Dictionary of English v.0.48:

Napaea \Napaea\ prop. n.
   A genus consisting of only one species, the glade mallow.

   Syn: genus Napaea.
        [WordNet 1.5]

   2. A name from Greek mythology.

   Syn: Napea.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Napaea
    n 1: one species: glade mallow [syn: Napaea, genus Napaea]