Are Hylocereus Undatus and Opuntia Atropes in the same botanical family?

Yes — both belong to Cactaceae.

Can you substitute Hylocereus Undatus for Opuntia Atropes?

They share the Cactaceae family, so they can sometimes substitute in recipes — with notable differences in aroma.

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Hylocereus Undatus vs Opuntia Atropes

Hylocereus undatus · Opuntia atropes

Hylocereus Undatus

Hylocereus undatus

T Traditional Use

Family: Cactaceae
Genus: Hylocereus
Primary use: medicinal

Selenicereus undatus, the white-fleshed pitahaya, is a species of the genus Selenicereus in the family Cactaceae and is the most cultivated species in the genus. It is used both as an ornamental vine and as a fruit crop, the pitahaya or dragon fruit.

Opuntia Atropes

Opuntia atropes

T Traditional Use

Family: Cactaceae
Genus: Opuntia
Primary use: medicinal

At a glance

· Both in Cactaceae, but different genera (Hylocereus vs Opuntia).
· Both are primarily medicinal.
· Evidence tiers — Hylocereus Undatus: T; Opuntia Atropes: T.