An Affluence of Sleep

July 15, 2012

Month four in a twelve month journal of the wild foods we are eating. Previous posts in this series can be found here.

Roused from a midday sleep by hunger I grab a bowl, don a wide-brimmed straw hat and head out to gather a salad.

First I make my way to patches of ushihakobe (“cow chickweed”) and tsuyukusa (Asiatic dayflower), gathering generous quantities to bulk up the salad. Then on to chidomegusa (lawn pennyroyal) and tsubokusa (gotu kola), passing a nasturtium I pluck a few flowers and a handful of leaves, doing the same with shirotsumekusa (white clover). A few leaves of suiba (sorrel), a good handful of shiso leaves, shiroza (lambs quarters) and  amaransasu (amaranth). Moving from the clearing where I have been gathering these sun loving plants I make my way toward the shady forest edge looking for sumire (violet). Passing oobako (plantain) sprouting new leaves I gather a bunch of the small tender light-green new growth (all the more tender for growing in dappled shade).  After collecting sumire and katabami (wood sorrel) I investigate a patch of myoga – still a little early for the flowerbuds, I move on. Skirting the forest edge I pick young koakoso (nettle family) leaves then back in to the sun I gingerly take a few azami (thistle) leaves – these with prickly spines which I shall trim off with scissors later. Ambling back towards the house I gather some leaves of mint, nira (garlic chives), comfrey, mukuge (rose of sharon), lemon balm and lemon verbena, parsley and oregano.

Back inside, having trimmed the spines from azami, I toss everything in a bowl and top with kurumi (walnuts) pickled in a honey vinegar and dress with yamamomo (Chinese bayberry) vinegar.

wild salad

A cup of suikazura (Japanese honeysuckle) flower tea in hand I return to horizontality and thumb through a book, recently read, looking for a passage in which an anthropologist suggests that one measure of a societies affluence might be the amount of daytime sleep afforded. Unable to locate the sentence I lay the book aside and go back to sleep.


Koakoso (Boehmeria spicata) I mentioned a couple of months back as a pot herb. I was less than enthusiastic about the taste but I have found a new love for this plant as a salad green. The light green young leaves make a really nice addition to a salad – their mild flavour making them suitable for bulking up more pungent plants. Shadier locations will likely yield a greater quantity of the tender young things.

koakosouKoakoso (Boehmeria spicata)

Ushihakobe (Stellaria aquatica) is a chickweed. It is not the chickweed (Stellaria media) but a closely related species that continues to grow vigorously through summer when hakobe (Stellaria media) is resting.

Ushihakobe (Stellaria aquatica)Ushihakobe (Stellaria aquatica)

Mukuge (rose of sharon, Hibiscus syriacus) is a plant of Asian origin (but not of Syrian, as Linnaeus thought when he named the plant). It is a large deciduous shrub (up to 3m x 2m) with edible leaves, flowers and roots. I haven’t seen it growing wild here (yet – hopefully some of our fifteen or so plantings will be happy enough with their locations to go wild – it is a prolific producer of seed so chances are good) but it is a common ornamental plant and therefore one for you urban foragers to look out for. Also, as ours are still small I have so far only tried the leaves which I like a lot: mild flavoured with a pleasantly mucilaginous texture. There is a flowering specimen growing in a private garden in the village but, tempting as it is, I am well aware that every time I cycle through the village there is at least one set of eyes following me (“that strange foreigner who lives deep in the mountains”).

mukuge (Hibiscus syriacus)A mukuge (Hibiscus syriacus) sapling

Katabami (Oxalis corniculata) is one of the many plants known to the English speaking world as wood-sorrel – their lemony tang being reminiscent of sorrel (Rumex spp.).  The intense lemon flavour of oxalis and rumex species, while pleasantly refreshing and uplifting, is due to the presence of oxalic acids and a good indicator that moderation should be exercised. Large bowlfuls everyday are not the way to eat this plant. Some leaves mixed through a salad being more the way to go.

Katabami (Oxalis corniculata)Katabami (Oxalis corniculata)

Shiso (Perilla frutescens) is, of course, the green leaf served as a garnish with sashimi and sushi (lately replaced by pieces of green plastic cut to vaguely resemble patches of grass). A really fantastic herb and all over the place! Don’t be timid with shiso. The flavour is mild enough to eat in quantity, it is nutritious and medicinal. Great as a salad leaf, or pickled in soy sauce and mirin, shiso pesto, shiso tea…. An annual that readily self-seeds to establish colonies and an excellent insectary plant, it’s a good candidate for scattering around in a forest garden, on abandoned land, city parks…. Green and purple varieties are common in Japan – the latter is not normally eaten fresh but is pickled and used in the making of umeboshi (pickled plums). Later in the year I’ll come back to shiso to talk about making use of the seeds.

Shiso (Perilla frutescens)Shiso (Perilla frutescens)

Shiso‘s medicine: antiasthmatic, antibacterial, antipyretic, antiseptic, antispasmodic, antitussive, aromatic, carminative, diaphoretic, emollient, expectorant, pectoral, stomachic, tonic.

Shiroza (lambs quarters, fat hen, Chenopodium album) and  amaransasu (amaranth, Amaranthus spp.) can be found growing wild throughout much of Japan. The young leaves of both are great in salads. Older leaves of shiroza can be boiled, steamed, added to soups etc. Both shiroza and amaransesu leaves are very nutritious. Both are weedy…let me rephrase that; both are important pioneer plants initiating processes of succession, thus enabling the return of forests – and so are also good candidates for seedballing barren sites or sunny openings of forest gardens.

Shiroza (Chenopodium album)amaranth (Amaranthus spp.)
Left: shiroza (Chenopodium album) and  right: amaransasu (Amaranthus spp.)

The dear old yamamomo (Myrica rubra) up the hill from our house has decided to give the fruit producing thing a miss this year but thankfully produced a good enough quantity last year for plentiful vinegar and wine making.

yamamomo (Myrica rubra)Yamamomo (Myrica rubra)

Yamamomo vinegar:

Mash up ripe fruit (the riper the better) and place in a well cleaned fermenting vessel (glass, ceramic, enamel coated metal but not uncoated metal as the acidity of the vinegar will eat in to it. My preference for cleaning such vessels is a strong antiseptic herbal tea such as sage, juniper, yarrow, kawakawa…). Dissolve sugar in water (about a quarter of a cup of sugar to 1 litre water. Use spring water if possible or, at least, water that has been boiled and let cool to around 40 degrees Celsius. The yeast on the skin of the yamamomo fruits, the beautiful microorganisms that are going to make this wonderful vinegar for you won’t appreciate it any hotter than that. Cover the fermenting vessel with a loose weave cloth and let sit stirring periodically (once a day is good). After about  a week strain out the fruit and continue to ferment. After about a month the vinegar will be ready but leaving it for longer may mellow it out nicely. You can make vinegar from most fruit this way.

Finally this month is himekouzo (Broussonetia kazinoki), a somewhat scrappy looking tree/shrub with alluring berries which can be eaten raw and are very tasty but every so often one will irritate the tongue and roof of the mouth with a long lasting itchy sensation. The berries have long hairs which are likely responsible for this but it is a little strange that while all himekouzo berries have these hairs only some cause a reaction. There seems to be no way of telling before you put the berry in your mouth either. The sensation is unpleasant enough to likely put most people off playing Russian roulette with the raw berries but there are other ways to use them. I have tried cooking them in a tapioca pudding but ended up with a bowl of itchiness so they need more than just cursory cooking. Although I have not tried making a jam with them yet I suspect the cooking and mashing up of the berries in the process would take care of the problem. Likewise, ( and also so far untested), cooking, mashing and making fruit leathers. What does work is making himekouzochū, that is, soaking the berries in shōchū, vodka or the like. A good vinegar can be made from them also.

himekouzo (Broussonetia kazinoki)himekouzo (Broussonetia kazinoki)
(Broussonetia kazinoki)

But the fruits are not the only edible part of this plant. The leaves are good cooked and the really young leaves can be eaten raw. The leaves do have a slight raspy texture but this is barely noticeable and nothing compared to the raspiness the berries can have. The flowers can also be eaten. Himekouzo is a close relative of kazhinoki (paper mulberry, Broussonetia papyrifera) and, like that plant, fibre from the bark can be used to make paper, cloth and rope.


One Response to “An Affluence of Sleep”

  1. kenelwood Says:

    Another nice line-up this month. Thanks, as always, for sharing.

    On the Himakozou, I suspect the itch comes not from the berry itself, but from an insect that was previously on it. Probably left over secretion.


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