maitake

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maitake

(mī-tä′kē, -kĕ)
n.
An edible polypore mushroom (Grifola frondosa) native to Japan and North America that produces large clusters of overlapping gray or brown fan-shaped caps, grows at the base of trees or in cultivation, and is prized in Japanese cuisine and used as a dietary supplement. Also called hen of the woods.

maitake

Herbal medicine
A mushroom (Grifola frondoa) that lowers blood pressure and enhances the immune system by increasing natural killer cell activity, increasing release of interleukin-1 and stimulating cytotoxic T cells; it inhibits growth of experimental tumours.