Are Calendula and Ludwigia Adscendens in the same botanical family?

No — Calendula is Asteraceae and Ludwigia Adscendens is Onagraceae.

Can you substitute Calendula for Ludwigia Adscendens?

They come from different families (Asteraceae and Onagraceae), so direct substitution is uncommon.

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Calendula vs Ludwigia Adscendens

Calendula officinalis · Ludwigia adscendens

Calendula

Calendula officinalis

T Traditional Use

Family: Asteraceae
Genus: Calendula
Primary use: medicinal

Calendula officinalis, Mary's gold, common marigold, the pot marigold, Scotch marigold, or ruddles, is a flowering plant in the daisy family, Asteraceae. It is probably native to southern Europe, but its long history of cultivation makes its precise origin unknown, and it is wide…

Ludwigia Adscendens

Ludwigia adscendens

T Traditional Use

Family: Onagraceae
Genus: Ludwigia
Primary use: medicinal

Ludwigia adscendens, the water primrose, is a species of flowering plant in the evening primrose family. Its native distribution is unclear. It is now a common weed of rice paddies in Asia and occurs also in Australia and Africa, but may have originated in South America.

At a glance

· Different families — Asteraceae vs Onagraceae.
· Both are primarily medicinal.
· Evidence tiers — Calendula: T; Ludwigia Adscendens: T.