Jopap-namu: The Korean Spring Shrub Chemically Related to Aspirin


Jopap-namu: The Korean Shrub Chemically Related to Aspirin


A Cloud of White in the Korean Spring

Every April and May across Korea, roadsides and hillsides suddenly explode in cascades of tiny white flowers. This is Jopap-namu (조팝나무) — Korean Meadowsweet — and when it blooms, it looks exactly like someone scattered handfuls of cooked millet (jopap, 조밥) across the branches. That is precisely how it got its name.

What Is Jopap-namu?

Korean Meadowsweet (Spiraea prunifolia) is a deciduous shrub in the rose family, growing 1–2 meters tall. Its slender arching branches are completely covered in clusters of small five-petaled white flowers from April to May — one of Korea's most spectacular spring sights. The flowers appear before the leaves fully open, giving the whole shrub a cloud-like appearance.


The Aspirin Connection

Here is what makes Jopap-namu genuinely remarkable — it belongs to the Spiraea genus, the same plant family that gave the world aspirin.

The name "aspirin" itself comes from Spiraea — the genus from which salicylic acid, aspirin's key compound, was first extracted in the 19th century. Korean Meadowsweet shares this botanical heritage with willows and other Spiraea species that have been used across cultures for pain relief and fever reduction for centuries.

Traditional Korean Use

In Korean tradition, Jopap-namu was valued as a garden and hedgerow plant, its flowering branches cut for decoration. The shrub's dense growth also made it useful as a natural boundary plant around Korean homesteads.

How to Identify It

Arching branches covered entirely in white flower clusters

Blooms April–May before leaves fully emerge

Height 1–2 meters

Found across Korea on sunny hillsides and roadsides


Disclaimer: For educational purposes only. Consult a healthcare professional before using any plant medicinally.

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