Are Marjoram and Origanum Syriacum in the same botanical family?

Yes — both belong to Lamiaceae.

Can you substitute Marjoram for Origanum Syriacum?

They are close relatives in the genus Origanum, often substitutable with flavor adjustments.

Compare · per-herb profile

Marjoram vs Origanum Syriacum

Origanum majorana · Origanum syriacum

Marjoram

Origanum majorana

D No Clinical Evidence

Family: Lamiaceae
Genus: Origanum
Primary use: culinary

Marjoram is a cold-sensitive perennial herb or undershrub with sweet pine and citrus flavours. In some Middle Eastern countries, marjoram is synonymous with oregano, and there the names sweet marjoram and knotted marjoram are used to distinguish it from other plants of the genus …

Origanum Syriacum

Origanum syriacum

D No Clinical Evidence

Family: Lamiaceae
Genus: Origanum
Primary use: culinary

Origanum syriacum subsp. syriacum; syn. Majorana syriaca, bible hyssop, Biblical-hyssop, Lebanese oregano or Syrian oregano, is an aromatic perennial herb in the mint family, Lamiaceae.

At a glance

· Same genus (Origanum) — close relatives, often substitutable.
· Both are primarily culinary.
· Evidence tiers — Marjoram: D; Origanum Syriacum: D.