- any of various cacti of the genera Hylocereus, Peniocereus, Nyctocereus, or Selenicereus, having large, usually white flowers that open at night.
Origin of night-blooming cereus
First recorded in 1800–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of several cacti of the genera Hylocereus, Selenicereus, etc, having large fragrant flowers that open at night