Japan & Von Siebold

Japan & Von Siebold DoubleMatured Special offer Show this booklet together with your admission ticket to the Japan museum SieboldHuis and get a e 1.50 discount on admission to the Hortus botanicus (valid only the same day); or present your Hortus entrance ticket and this booklet for a reduction of e 1.50 on admission to the Japan museum SieboldHuis. A Museum Pass gives free admission to both museums. Philipp Franz Balthasar von Siebold (Würzburg 17-02-1796/Munich 18-10-1866) The island Deshima, painted by Kawahara Keiga, ca. 1833 - ca. 1846 (from the Rijksmuseum Amsterdam collection). Von Siebold worked as a physician at the Dutch trading post Deshima in Nagasaki, Japan, between 1823 and 1829. Welcome! In the centre of this booklet is grow in the garden since the days a map, showing the route for a of Von Siebold. A description stroll around the garden. The of these plants can be found in walk is not marked in the garden; the following pages, arranged by so follow the route using this number. From page 14 onwards, map. you will find information on the You will walk past plants that still Von Siebold Memorial Garden. 3 Von Siebold specimens Numbers on the map in the centre of this booklet indicate a specimen brought back by Von Siebold. In the Hortus, the plants are marked with large grey labels to make them easily recognisable. This label shows the scientific name, the name of the plant family to which it belongs, and the Dutch and Japanese name, if available. 4 1 Wisteria floribunda ‘Alba’, Fabaceae White Japanese wisteria; Shirobana Fuji This is the white variety of the more familiar blue-flowering wisteria. It is known for its long drooping racemes. Regrettably, this plant is rarely cultivated in gardens. Wisterias are poisonous, particularly the seeds. Three old wisteria plants, dating from before 1854 (!), are growing here over the pergola. Flora Japonica Flora White Japanese wisteria - Japanese wisteria - Japanese wisteria - W. floribunda W. floribunda W. sinensis 2 Wisteria floribunda, Fabaceae Japanese wisteria; Fuji This plant is a vigorous climber, and can easily climb to the top of a tall tree; a wisteria can live to be 350 years old. This is a beautiful blue-flowering wisteria, which also has long racemes. In hot summers it produces pods, that resemble broad beans; but be careful, they are toxic. 3 Wisteria sinensis, Fabaceae Wisteria; Yamafuji This wisteria bears short racemes of deliciously scented blue flowers. All wisterias are fragrant, but this one has the strongest scent of all. 5 4 Juglans ailantifolia var. cordiformis, Juglandaceae Japanese walnut; Himegurumi The Japanese walnut grows into a broad, sturdy tree. Although the branches had been cut back to prevent damage, the trunk ruptured during a storm in the summer of 2015. By now either the trunk has been spared in the hope of the formation of new shoots, or the old tree is replaced by a young specimen. As a precaution grafts had been taken earlier on, so the young tree is genetically identical to the original. 5 Aesculus turbinata, Hippocastanaceae Japanese horse chestnut; Tochinoki The inflorescence and the leaves of this Japanese horse chestnut are very similar to those of A. hippocastanum, which is widely cultivated in the Netherlands. The husk containing the conker is not prickly. In Japan the wood of this tree is used for making household items; the wood often has a wavy grain, giving these products beautiful markings. 6 6 Clethra barbinervis, Clethraceae White alder; Ryobu A relatively unknown dense shrub, which can reach a height of 3 metres (10 feet). It produces abundant, sweet-scented, trailing racemes with white flowers in July. The small leaves are grouped together at the end of the twig. The flaking bark is very pretty and is highly prized in Japan; it is a real bonus in the winter garden. The small leaves are bright green, with saw-toothed (serrate) margins. This is a good garden plant for a damp location. 7 Orixa japonica, Rutaceae Japanese orixa; Kokusagi You can recognize Orixa by its unpleasant smell, when crushing the leaves. Given enough space, this shrub will grow into a wide elegant bush. Orixa is dioecious; if you want to collect seeds, you need to plant a male and a female plant. The plant has a remarkable way of dispers- ing its seeds; ripe seeds are shot out of the fruit over a considerable distance. Michael Wolf Michael 7 8 Acer palmatum, Sapindaceae Japanese maple; Irohamomiji This tree has small, palmate, lobed leaves that turn a beautiful shade of red in the autumn. It bears clusters of small, red-pink flowers in April and small, shiny-red, winged fruits in autumn. This tree has been cultivated for many centuries in Japan, and is also a favourite for creating Bonsai. The present specimens, which are more than 150 years old, were brought back by Von Siebold from his second Japanese visit (1859-1861) and grew to maturity here in the Hortus. 9 Acer cissifolium, Sapindaceae Vine-leafed maple; Mitsudekaede In contrast to many other maples, this species has trifoliate leaves. The leaflets have a rough serrate margin. This maple bears tiny yellow flowers in slender racemes of 3-9 centimetres (1.5-4.5 inches) in May, appearing at the same time as the leaves. Its pretty bark is highly valued in Japan. 8 10 Morus australis var. yeddoensis, Moraceae Chinese mulberry or Korean mulberry This relatively unknown mulberry grows into a small deciduous tree. The pink fruits are smaller and nowhere near as tasty as the fruits of the black mulberry. The leaves vary in length from 6 to 15 centimetres (2 to 6 inches). These leaves can also be used to feed silkworms, although they thrive better on the leaves of the white mulberry (Morus alba). 11 Zelkova serrata, Ulmaceae Japanese elm; Keyaki This specimen, Von Siebold brought back from his first visit to Japan (1823-1829). The leaves have a fine serrate margin and turn into a beautiful orange, yellow and copper in autumn. Japanese elm is not vulnerable to Dutch elm disease. Note the beautiful bark. The silver-gray fine-grained wood is used in Japan to make costly boxes and tea-cabinets. 12 Clerodendrum trichotomum var. fargesii, Lamiaceae Japanese clerodendrum; Kusagi A strong shrub with clusters of white star-like flowers, which are fragrant, in contrast to the leaves that smell like peanut butter, when crushed. The round berries are cobalt blue in colour, which stand out beautifully against the wine-red calyx. In Japan this shrub is only found growing in the wild; it is not planted in more elegant gardens because it grows too fast. Hans Clauzing 9 13 Akebia quinata, Lardizabalaceae Chocolate vine; Akebi A climber with fine five-lobed leaves, which fall off during cold winters. This plant often flowers as early as February, bearing small clusters of wine-red, scented flowers; each cluster includes small male flowers and (often only 2 or 3) larger female flowers. The plant produces striking pink club-shaped fruits. The skin is hard and bitter; the transparent flesh contains many tiny black seeds and is edible but does not have a pleasant taste. Chocolate vine; Akebi Japanese quince; Boke 14 Chaenomeles speciosa, Rosaceae Japanese quince; Boke The Japanese quince is known for its bowl-shaped flowers, which appear in early spring, and come in a variety of shades of red, pink, orange and even greenish-white. Our specimen has red flowers. It is a very prickly shrub, of which both low-growing and climbing species are known; the latter can be trained along a wall. It is often used in plant- ing in public spaces. The small, green or yellow, fragrant, apple-like fruits are rich in vitamin C. They can be used to make jam that is very sour and rich in pectin, which makes the jelly so stiff, that when you insert a knife, it remains upright! 10 15 Rhaphiolepis umbellata, Rosaceae Yeddo hawthorn; Sharimbai This evergreen shrub does not tolerate our winters well, so we keep it in the Orangery during the winter months. It has shiny, dark-green leaves and clusters of white, scented flowers in April-May. It bears pear-shaped black fruits of one cm (0.4 inches) in the autumn months. Yeddo hawthorn; Sharimbai Japanese blue oak; Arakashi 16 Quercus glauca, Fagaceae Japanese blue oak; Arakashi An evergreen oak from Japan. At first sight one would not recognize it as an oak tree, as the leaves are not our familiar lobed oak-leaves but are long and pointed. In our climate it does not produce many acorns. This oak has a wide area of distribution in East Asia: from Japan and China to the Himalayas, but it never grows above a height of 1,500 metres (5,000 feet). 11 P7 P7 P6 P6 8 8 Victoriakas Bezoekerscentrum Bezoekerscentrum Victoriakas Victoria house Victoria centre Visitor Visitor centre Victoria house 9 9 Sterrewachttuin Sterrewachttuin 8 garden Observatory Observatory garden 8 11 kruidentuin Chinese Chinese kruidentuin 11 Hoge Kas Hoge garden herb Chinese Chinese herb garden Hoge Kas High Glasshouse High High Glasshouse Von Siebold Siebold Von P5 P8 P8 P5 Von Siebold gedenktuin gedenktuin gedenktuin 13 garden memorial memorial garden 13 P4 P4 Niet toegankelijk/ Niet Niet toegankelijk/ 14 12 closed closed 12 14 Oranjerie Oranjerie 10 Sterrenwachtlaan Sterrenwachtlaan 10 Oranjerie Orangery Orangery 5 5 Orangery Niet toegankelijk/ Niet Niet toegankelijk/ closed closed 6 Talcott Talcott 6 4 7 huisje huisje 7 4 2 house house 2 P3 Groentetuin Groentetuin P3 P1 P2 11 garden Vegetable Vegetable garden 11 P2 P1 Niet toegankelijk/ Niet Niet toegankelijk/ 1 3 closed closed 3 1 , pag.

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