Source : Webster's Revised Unabridged Dictionary (1913)

Mahoe \Ma"hoe\, n. (Bot.)
   A name given to several malvaceous trees (species of
   {Hibiscus}, {Ochroma}, etc.), and to their strong fibrous
   inner bark, which is used for strings and cordage.

Source : WordNet®

Ochroma
     n : 1 species: balsa [syn: {genus Ochroma}]