The Collaborative International Dictionary of English v.0.48:

Lemaireocereus \Lemaireocereus\ n.
   A genus of tropical American cacti, usually tall and
   branching with stout spines and funnel-shaped flowers and
   globular or ovoid often edible fruit.

   Syn: genus Lemaireocereus.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Lemaireocereus
    n 1: tropical American cacti usually tall and branching with
         stout spines and funnel-shaped flowers and globular or
         ovoid often edible fruit [syn: Lemaireocereus, genus
         Lemaireocereus]