A Local Perspective on Life in Tsukuba, Ibaraki, Japan.

MORE Food for Autumn Foragers in Tsukuba: YAMA BO-SHI (山法師), the fruit of the kousa dogwood tree

By Avi Landau


It’s early autumn, so when Noriko Iwamoto told me that she had brought some fruit from her garden, visions of nashi (Japanese pears), grapes, and chestnuts danced in my head. What she pulled out of her bag, however, came as a complete surprise — a handful of what looked like small lychees or large raspberries, the fruit of the Japanese dogwood tree, called yamabo-shi in Japan. Interestingly, this can be written either as 山法師 (literally: mountain monk) or 山帽子 (mountain hat), with the same pronunciation. I’ve also heard some Japanese call this fruit yamakuwa (mountain mulberry).

Most people don’t seem to know that this fruit, which grows on a very common  tree, is edible and sometimes delicious. My friends and I cracked open the crusty shell and sucked out the guava-like pulp — mmm, a treat indeed!

As do all trees of this type, Noriko’s Japanese dogwood (also called a kousa dogwood), blooms with a distinctive white ninja-star shaped flower in June and July, and bears fruit in September. In Tsukuba you can find these trees on the side of roads and in parks, as well as in private gardens. They can be enjoyed for their flowers and autumn foliage (a spectacular red), as well as their fruit.

While you are out collecting the ginkgo nuts which will be falling to the ground in greater and greater numbers over the next few weeks, keep an eye out for the Japanese dogwood and you can probably score a handful of the beautiful yamaboshi for yourself. According to traditional Asian beliefs they have beneficial effects on the liver and kidney. You can also find some recipes for jam, liqueur, etc. on-line.

Kousa dogwood (yamaboshi) in Tsukuba

Kousa dogwood(yamaboshi) in Tsukuba

I could tell you where to look, but then that would take most of the fun out of it for you!

Happy hunting (fellow foragers)!

Here are some more pictures.

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