Peniocereus greggii var. greggii (Engelm.) Britt. & Rose  
Family: Cactaceae
nightblooming cereus
[Cereus greggii Engelm.,  more]
Peniocereus greggii var. greggii image
Liz Makings  
Peniocereus greggii var. greggii
The National Science Foundation
This project made possible by National Science Foundation Award 1410069