Photo: László Németh, Dr., CC BY-SA 3.0 (via Wikimedia Commons)

Zhu Ling (Umbrella Polypore)

Polyporus umbellatus

Also known as Zhu Ling, Umbrella Polypore, Grifola umbellata, Polyporus Sclerotium, Chu Ling

At a glance

Family

Polyporaceae (the polypore fungi)

Type

Wood-associated polypore fungus that forms an underground sclerotium

Parts used

The dried underground sclerotium (the hardened, tuber-like resting body), not the above-ground mushroom

Size

Sclerotia range from egg-sized to as large as a clenched fist or small melon; the fruiting body above ground fans out 10 to 25 cm wide in a cluster of small umbrella-like caps

Bloom

Not a flowering plant; the mushroom itself fruits briefly above ground in late summer into autumn, arising from the buried sclerotium

Habitat

Deciduous woodlands of temperate Asia, Europe, and parts of North America, typically found near the roots of oak, beech, and birch where it has a quiet, parasitic relationship with honey fungus

Acquisition

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Key benefits

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Traditional urinary support

Historic use for fluid balance

Gentle immune nourishment

Old apothecary detox aid

Traditional uses

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Long before it had a Latin name, this humble underground fungus was known in Chinese medicine as Zhu Ling, prized for centuries as a gentle way to move stagnant fluid through the body. Herbalists reached for it in formulas meant to ease swelling, support healthy urination, and restore balance after damp, heavy conditions settled into the body. It rarely worked alone, usually appearing alongside companion roots and fungi in classical decoctions passed down through generations of practitioners. Its quiet reputation as a fluid-regulating ally has kept it a steady presence in the apothecary cabinet for well over a thousand years.

How to grow & use it

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Pairs well with

✦Poria (Fu Ling)
✦Atractylodes
✦Alisma

Substitutes

✦Poria mushroom
✦Reishi mushroom

Choose it when

“For the quiet, deep-working fungus of old apothecary tradition, dug from beneath the forest floor and simmered slow.”

Did you know?

The Chinese name Zhu Ling translates roughly to pig sclerotium, a nod to the knobby, dark, dung-like appearance of the underground mass old herb gatherers pulled from the forest floor.

Safety

Zhu ling is not known to be toxic, but it has a diuretic effect, so it should be used cautiously alongside prescription diuretics, lithium, or other medications affected by fluid shifts. It is generally avoided during pregnancy and breastfeeding.