Are Calendula and Ottelia Alismoides in the same botanical family?

No — Calendula is Asteraceae and Ottelia Alismoides is Hydrocharitaceae.

Can you substitute Calendula for Ottelia Alismoides?

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

Compare · per-herb profile

Calendula vs Ottelia Alismoides

Calendula officinalis · Ottelia alismoides

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…

Ottelia Alismoides

Ottelia alismoides

T Traditional Use

Family: Hydrocharitaceae
Genus: Ottelia
Primary use: medicinal

Ottelia alismoides, commonly known as duck lettuce, is a species of aquatic plant native to Asia and northern Australia. Due to habitat loss and deterioration, it is endangered in China and Japan, although it is an invasive weed in America. Its genome has also been sequenced, res…

At a glance

· Different families — Asteraceae vs Hydrocharitaceae.
· Both are primarily medicinal.
· Evidence tiers — Calendula: T; Ottelia Alismoides: T.