We're open! We value the health and safety of our guests, staff, and animals. Because of this, we have made modifications to the Desert Museum experience following public guidance and health recommendations. Please be sure to review the FAQs before your visit.

Research and Conservation in Southern Sonora, Mexico

Peniocereus marianus (reina de la noche)

Alfred Lau admires a large Peniocereus marianus on Cerro Vigil behind Guaymas, Sonora. Photo: Mark Dimmitt

The flowers of Peniocereus marianus are about half the size of those of its northern relative P. greggii, and bloom in March instead of May-July.

Grows in foothills thornscrub in Sonora and Sinaloa.

Like P. greggii, this species is probably not rare, but simply very difficult to see.











Flower of Peniocereus marianus. Photo: Mark Dimmitt


Silhouette Icon