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Useful Temperate Plants

Neoshirakia japonica

(Siebold & Zucc.) Esser

Euphorbiaceae

+ Synonyms

Croton siraki Siebold & Zucc.

Excoecaria japonica (Siebold & Zucc.) Müll.Arg.

Neoshirakia atrobadiomaculata (F.P.Metcalf) Esser & P.T.Li

Sapium atrobadiomaculatum F.P.Metcalf

Sapium japonicum (Siebold & Zucc.) Pax & K.Hoffm.

Shirakia japonica (Siebold & Zucc.) Hurus.

Stillingia japonica Siebold & Zucc.

Triadica japonica (Siebold & Zucc.) Baill.

Common Name:

No Image.

General Information

Neoshirakia japonica is a deciduous shrub or small tree that can grow up to 8 metres tall.
The plant is sometimes harvested from the wild for local use as a food. It is grown as an ornamental in gardens[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
].

Known Hazards

The sap is poisonous[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Botanical References

11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
58
Title
Flora of Japan. (English translation)
Publication
 
Author
Ohwi. G.
Publisher
Smithsonian Institution
Year
1965
ISBN
-
Description
The standard work. Brilliant, but not for the casual reader.
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

Range

E. Asia - central and southern China, central and southern Japan, Korea.

Habitat

Thin woods in the lowlands and mountains of C. and S. Japan[
58
Title
Flora of Japan. (English translation)
Publication
 
Author
Ohwi. G.
Publisher
Smithsonian Institution
Year
1965
ISBN
-
Description
The standard work. Brilliant, but not for the casual reader.
]. Moist forests at elevations from 100 - 400 metres[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
].

Properties

Edibility Rating *
HabitDeciduous Shrub
Height5.00 m
Cultivation StatusOrnamental, Wild

Cultivation Details

Neoshirakia japonica is found in the warm temperate to subtropical regions of southern and eastern China, where it can be found in hardiness zones from 7 - 10. It is not very hardy in regions of the Temperate zone with cold winters, though it is known to tolerate several degrees of frost and has been grown successfully against a sunny wall in southern parts of Britain[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. A specimen seen growing outdoors at Hilliers Arboretum in Hampshire, England - but in the shade of other trees - was carrying a heavy crop of unripe seeds in September 1994[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Succeeds in a sunny position in any well-drained fertile soil[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Requires the protection of a south or south-west facing wall when grown in areas at the limits of its hardiness[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Edible Uses

Seed - cooked[
105
Title
Tanaka's Cyclopedia of Edible Plants of the World.
Publication
 
Author
Tanaka. T. & Nakao S.
Publisher
Keigaku Publishing; Tokyo
Year
1976
ISBN
-
Description
The most comprehensive list of edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
,
177
Title
Plants for Human Consumption.
Publication
 
Author
Kunkel. G.
Publisher
Koeltz Scientific Books
Year
1984
ISBN
3874292169
Description
An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
]. Some caution is advised, since related species such as Triadica sebiferum have a somewhat toxic oil in the seed[
293
Title
Poisonous Plants of North Carolina
Publication
 
Author
 
Website
http://www.ces.ncsu.edu/depts/hort/consumer/poison/poison.htm
Publisher
 
Year
0
ISBN
 
Description
An excellent concise but comprehensive guide to toxic plants that grow in N. Carolina. It lists even those plants that are of very low toxicity, including several well-known food plants such as carrots and potatoes.
,
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Medicinal

None known

Other Uses

None known

Propagation

Seed - do not cold stratify the seed since this can lead to secondary dormancy. Sown in mid spring in a warm greenhouse, it usually germinates within 4 weeks[
113
Title
The Reference Manual of Woody Plant Propagation.
Publication
 
Author
Dirr. M. A. and Heuser. M. W.
Publisher
Athens Ga. Varsity Press
Year
1987
ISBN
0942375009
Description
A very detailed book on propagating trees. Not for the casual reader.
]. Prick out the seedlings into individual pots when they are large enough to handle. Overwinter in a greenhouse for at least their first 2 winters and plant out in late spring.
Cuttings of half-ripe wood, mid summer in a frame.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2018-08-22. <temperate.theferns.info/plant/Neoshirakia+japonica>

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