Are Allium Macrostemon and Allium Prostratum in the same botanical family?

No — Allium Macrostemon is Alliaceae and Allium Prostratum is Amaryllidaceae.

Can you substitute Allium Macrostemon for Allium Prostratum?

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

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Allium Macrostemon vs Allium Prostratum

Allium macrostemon · Allium prostratum

Allium Macrostemon

Allium macrostemon

T Traditional Use

Family: Alliaceae
Genus: Allium
Primary use: medicinal

Allium macrostemon, Japanese wild onion, Spring onion, Green onion, Chinese garlic, Japanese garlic or long-stamen onion, is a species of wild onion widespread across much of East Asia. It is known from many parts of China, as well as Japan, Korea, Mongolia, Tibet and Primorye. I…

Allium Prostratum

Allium prostratum

T Traditional Use

Family: Amaryllidaceae
Genus: Allium
Primary use: medicinal

Allium prostratum is an Asian species of wild onion native to Siberia, Mongolia, Inner Mongolia, and Xinjiang. It grows in sunlit locations on steppes and rocky slopes.

At a glance

· Same genus (Allium) — close relatives, often substitutable.
· Both are primarily medicinal.
· Evidence tiers — Allium Macrostemon: T; Allium Prostratum: T.