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

Yes — both belong to Cactaceae.

Can you substitute Hylocereus Undatus for Opuntia Dillenii?

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 Dillenii

Hylocereus undatus · Opuntia dillenii

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 Dillenii

Opuntia dillenii

T Traditional Use

Family: Cactaceae
Genus: Opuntia
Primary use: medicinal

Opuntia dillenii is a species of prickly pear native to the tropical and subtropical Americas. It is naturalized in many other parts of the world. It differs from O. stricta by having more spines per arose.

At a glance

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