noun Se·le·ni·cereus \sə̇¦lēnə+\

Definition of Selenicereus

  1. :  a genus of mostly epiphytic climbing cacti ranging from southern Texas to Argentina and having ribbed or angled and not very spiny stems and immense white night-blooming flowers that are much prized in northern greenhouses

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Origin and Etymology of selenicereus

New Latin, from 1selen- + Cereus

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