Harrisia martinii

Moon Cactus, a reference photo
Photo: John Tann from Sydney, Australia · CC BY 2.0 (licence)

Harrisia martinii, commonly called the Martin applecactus, is a species of night-blooming, rope-like cacti native to South America. With large showy flowers that attract the hawk moth, it is considered by some a useful landscape plant in areas that do not freeze.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Moon Cactus being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Cactaceae
Species
Harrisia martinii

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More species

Moon Cactus (Harrisia martinii) · B.inomen