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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


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