Practical
Plants

Acer distylum

a perennial woody deciduous member of the Acer genus in the family Aceraceae.

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Taxonomy and growth

Family
Aceraceae
Genus
Acer
Life cycle
perennial
Foliage
deciduous
Woodiness
woody
Height
15 m
Flower type
monoecious

Uses

Edible uses

This section contains historical Plants For A Future notes marked noncommercial.

The sap contains a certain amount of sugar and can either be used as a drink, or can be concentrated into a syrup by boiling off the water[1][4][6]. The syrup is used as a sweetener on many foods. The concentration of sugar is considerably lower than in the sugar maples (A. saccharum). The tree trunk is tapped in the early spring, the sap flowing better on warm sunny days following a frost. The best sap production comes from cold-winter areas with continental climates.

Plant part
Sap
Product or use
Sweetener

Material uses

This section contains historical Plants For A Future notes marked noncommercial.

The leaves are packed around apples, rootcrops etc to help preserve them[5][7].

Product or use
Preservative

Ecology and functions

Ecosystem niche
Canopy, Secondary canopy

Environment

Range
E. Asia - Japan
Habitat
Mountains in C. and S. Japan[10]. In temperate deciduous forests a elevations of 700 - 1600 metres[9].
Light
full sun
Shade tolerance
light shade
Water
moderate
Hardiness
Zone 7+
Soil textures
sandy, loamy, clay, heavy clay
Soil pH
acid, neutral, alkaline
Tolerates Nutritionally Poor Soil
No
Drought
intolerant

Propagation

This section contains historical Plants For A Future notes marked noncommercial.

Seed of plants grown in gardens can be relied upon to breed true. It is best sown as soon as it is ripe in a cold frame, it usually germinates in the following spring. Pre-soak stored seed for 24 hours and then stratify for 2 - 4 months at 1 - 8°c. It can be slow to germinate. The seed can be harvested 'green' (when it has fully developed but before it has dried and produced any germination inhibitors) and sown immediately. It should germinate in late winter. If the seed is harvested too soon it will produce very weak plants or no plants at all[11][3]. When large enough to handle, prick the seedlings out into individual pots and grow them on until they are 20cm or more tall before planting them out in their permanent positions. Layering, which takes about 12 months, is successful with most species in this genus. Cuttings of young shoots in June or July. The cuttings should have 2 - 3 pairs of leaves, plus one pair of buds at the base. Remove a very thin slice of bark at the base of the cutting, rooting is improved if a rooting hormone is used. The rooted cuttings must show new growth during the summer before being potted up otherwise they are unlikely to survive the winter. This species is quite difficult to grow away well from cuttings.

Cultivation

This section contains historical Plants For A Future notes marked noncommercial.

Of easy cultivation, it prefers a good moist well-drained soil[2], preferring a sunny position but tolerating some shade[2][8]. Grows well in heavy clay soils. Chlorosis can sometimes develop as a result of iron deficiency when the plants are grown in alkaline soils, but in general maples are not fussy as to soil pH. Most maples are bad companion plants, inhibiting the growth of nearby plants[5][7]. Plants are usuallu monoecious, but hermaphrodite forms occur[9].

References

  1. Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976-00-00

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  2. Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray 1981-00-00

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  3. Dirr. M. A. and Heuser. M. W. The Reference Manual of Woody Plant Propagation. Athens Ga. Varsity Press 1987-00-00 ISBN 0942375009

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  4. Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books 1984-00-00 ISBN 3874292169

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  5. Philbrick H. and Gregg R. B. Companion Plants. Watkins 1979-00-00

    ↩1↩2

  6. Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications 1990-00-00 ISBN 0-9628087-0-9

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  7. Riotte. L. Companion Planting for Successful Gardening. Garden Way, Vermont, USA. 1978-00-00 ISBN 0-88266-064-0

    ↩1↩2

  8. Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992-00-00 ISBN 0-333-47494-5

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  9. Flora of Japan www.foj.info

    ↩1↩2

  10. Ohwi. G. Flora of Japan. (English translation) Smithsonian Institution 1965-00-00

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  11. McMillan-Browse. P. Hardy Woody Plants from Seed. Grower Books 1985-00-00 ISBN 0-901361-21-6

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