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Useful Temperate Plants

Sophora tetraptera

J.F.Mill.

Fabaceae

+ Synonyms

Edwardsia grandiflora Salisb.

Edwardsia tetraptera (J.F.Mill.) W.R.B.Oliv.

Common Name: Kowhai

No Image.

General Information

Sophora tetraptera is a semi-deciduous to evergreen shrub or small tree growing from 4 - 12 metres tall. The short bole can be 15 - 60cm in diameter[
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.
].
The tree is harvested from the wild for local use as a medicine and source of materials. The wood is of good quality and is sometimes harvested commercially. The plant is often grown as an ornamental, valued for its large, showy flowers and foliage - there are several named varieties[
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.
].

Known Hazards

The plant contains cytosine, which resembles nicotine and is similarly toxic[
238
Title
Encyclopaedia of Herbs and their Uses.
Publication
 
Author
Bown. D.
Publisher
Dorling Kindersley, London.
Year
1995
ISBN
0-7513-020-31
Description
A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
].
The wood is poisonous. Two persons became very ill after eating food with a spoon made from the wood of this tree[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
].

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.
,
44
Title
Flora of New Zealand.
Publication
 
Author
Allan. H. H.
Website
http://floraseries.landcareresearch.co.nz/pages/Book.aspx?fileName=Flora%201.xml
Publisher
Government Printer, Wellington.
Year
1961
ISBN
-
Description
The standard work, in 5 volumes though only the first two are of interest to the plant project. Very good on habitats. There is also an on-line version.
,
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

New Zealand (North Island)

Habitat

Streamsides, forest margins and lowland[
44
Title
Flora of New Zealand.
Publication
 
Author
Allan. H. H.
Website
http://floraseries.landcareresearch.co.nz/pages/Book.aspx?fileName=Flora%201.xml
Publisher
Government Printer, Wellington.
Year
1961
ISBN
-
Description
The standard work, in 5 volumes though only the first two are of interest to the plant project. Very good on habitats. There is also an on-line version.
].

Properties

Medicinal Rating *  *
Other Uses Rating *  *  *
HabitEvergreen Tree
Height8.00 m
Growth RateSlow
PollinatorsInsects
Cultivation StatusOrnamental, Wild

Cultivation Details

Sophora tetraptera is not very cold hardy, tolerating short periods with temperatures down to about -10°c when it is fully dormant[
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.
], Mature plants, with a woody framework, are considerably hardier than young plants, which can often be killed even in fairly mild winters[
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.
].
Succeeds in a well-drained moderately fertile soil in full sun[
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 a warm sheltered position[
202
Title
Climbers and Wall Shrubs.
Publication
 
Author
Davis. B.
Publisher
Viking.
Year
1990
ISBN
0-670-82929-3
Description
Contains information on 2,000 species and cultivars, giving details of cultivation requirements. The text is terse but informative.
].
Plants are of slow to moderate growth[
202
Title
Climbers and Wall Shrubs.
Publication
 
Author
Davis. B.
Publisher
Viking.
Year
1990
ISBN
0-670-82929-3
Description
Contains information on 2,000 species and cultivars, giving details of cultivation requirements. The text is terse but informative.
].
In good summers plants can set seed abundantly in cultivation[
219
Title
Gardening on Walls
Publication
 
Author
Grey-Wilson. C. & Matthews. V.
Publisher
Collins
Year
1983
ISBN
0-00-219220-0
Description
A nice little book about plants for growing against walls and a small section on plants that can grow in walls.
].
Plants should be container-grown and planted out whilst young, older plants do not transplant well[
219
Title
Gardening on Walls
Publication
 
Author
Grey-Wilson. C. & Matthews. V.
Publisher
Collins
Year
1983
ISBN
0-00-219220-0
Description
A nice little book about plants for growing against walls and a small section on plants that can grow in walls.
].
Plants in this genus are notably resistant to honey fungus[
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.
].
This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[
1309
Title
The Leguminosae; A Source Book of Characteristics, Uses and Nodulation
Publication
 
Author
Allen O.N.; Allen E.K.
Publisher
University of Wisconsin
Year
1981
ISBN
0-333-32221-5
Description
An amazing and comprehensive work, giving a brief guide to the many genera of the family Fabaceae and also the principle uses of the genus.
].

Edible Uses

None known

Medicinal

The bark is purgative. An infusion is drunk as a treatment for internal pains, colds and sore throats[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
].
The bark is boiled with mānuka (Leptospermum scoparium), poured over woodash, and then rubbed onto infected areas in order to treat diseased skin and dandruff. A lotion is applied locally to pains in the back and side[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
]. A poultice made from the bark is used to dress wounds, treat skin diseases, bruises etc[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
]. The bark is soaked in water, pounded to soften it, then applied as a pack on broken limbs[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
].

The inner bark isused by bushmen as a poultice for treating sprains, etc[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
]. A lotion made from the inner bark is applied locally as a treatment for scabies[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
].

A juice made from the central core of the root is taken internally as a treatment for gonorrhoea[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
].

The leaves are boiled and applied as a pack for treating broken limbs[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
].

Other Uses

A yellow dye is obtained from the plant[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
]. Part not specified.

The flowers are used as an ingredient in commercial cosmetic preparations as a skin conditioner[
1243
Title
CosIng
Publication
 
Author
 
Website
http://ec.europa.eu/growth/tools-databases/cosing/
Publisher
 
Year
0
ISBN
 
Description
CosIng is the European Commission database for information on cosmetic substances and ingredients.
].

The wood is highly durable. It is used for cabinetmaking. millwright's work etc. It is considered to be a valuable wood for fencing, and was traditionally to make axe handles, particularly the heavier ones[
292
Title
People Plants Database
Publication
 
Author
 
Website
http://peopleplants.landcareresearch.co.nz/WebForms/default.aspx
Publisher
 
Year
0
ISBN
 
Description
An online database of New Zealand plants and their Maori names and uses. An excellent information source.
].

Wood - compact, dense, heavy, of great strength, tough, elastic, extremely durable. Used for bearings, turnery, cabinet work, ornamental uses etc[
46
Title
Dictionary of Economic Plants.
Publication
 
Author
Uphof. J. C. Th.
Publisher
Weinheim
Year
1959
ISBN
-
Description
An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
61
Title
A Dictionary of Plants Used by Man.
Publication
 
Author
Usher. G.
Publisher
Constable
Year
1974
ISBN
0094579202
Description
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
,
139
Title
Flora of Chile. (in Spanish)
Publication
 
Author
?
Publisher
 
Year
 
ISBN
 
Description
Some information about the useful plants of Chile.
].

Propagation

Seed - best sown as soon as it is ripe in a greenhouse[
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.
]. Pre-soak stored seed for 12 hours in hot (not boiling) water and sow in late winter in a greenhouse[
78
Title
Propagation of Trees, Shrubs and Conifers.
Publication
 
Author
Sheat. W. G.
Publisher
MacMillan and Co
Year
1948
ISBN
-
Description
A bit dated but a good book on propagation techniques with specific details for a wide range of plants.
]. Prick out the seedlings as soon as they are large enough to handle into individual pots in the greenhouse, and grow them on for 2 years under protected conditions. Plant them out into their permanent positions in early summer of their third year.
Cuttings of young shoots with a heel, mid summer in a frame[
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.
].
Air-layering[
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.
].
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2019-06-24. <temperate.theferns.info/plant/Sophora+tetraptera>

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