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

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

Can you substitute Allium Macrostemon for Allium Polyrhizum?

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

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Allium Macrostemon vs Allium Polyrhizum

Allium macrostemon · Allium polyrhizum

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 Polyrhizum

Allium polyrhizum

T Traditional Use

Family: Amaryllidaceae
Genus: Allium
Primary use: medicinal

Allium polyrhizum is a species of wild onion widespread across Zabaykalsky Krai, Kazakhstan, Mongolia, and China at elevations 1000–3700 m.

At a glance

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