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Summary

Physical Characteristics

Sophora tetraptera is an evergreen Tree growing to 10 m (32ft) by 6 m (19ft) at a slow rate.
It is hardy to zone (UK) 8. It is in leaf all year, in flower in May, and the seeds ripen from September to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Edwardsia grandiflora.

Habitats

Woodland Garden Sunny Edge;

Edible Uses

None known

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

None known

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Other Uses

Wood

Wood - compact, dense, heavy, of great strength, tough, elastic, extremely durable. Used for bearings, turnery, cabinet work, ornamental uses etc[46, 61, 139].

Special Uses

Nitrogen Fixer

Cultivation details

Succeeds in a well-drained moderately fertile soil in full sun[200]. Requires a warm sheltered position[202]. It grows best in the warmer areas of the country where the wood will be more readily ripened and better able to withstand winter cold[219]. Hardy to about -10°c[200], it succeeds in the open in southern and south-western Britain but is best grown against a wall elsewhere[11, 184]. Plants are of slow to moderate growth[202]. In good summers plants set abundant seed in this country[219]. Plants should be container-grown and planted out whilst young, older plants do not transplant well[219]. Plants in this genus are notably resistant to honey fungus[200]. 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[200].

Temperature Converter

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Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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Propagation

Seed - best sown as soon as it is ripe in a greenhouse[200]. Pre-soak stored seed for 12 hours in hot (not boiling) water and sow in late winter in a greenhouse[78]. 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, July/August in a frame[11]. Air-layering[200].

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Growth	Soil	Shade	Moisture	Edible	Medicinal	Other
Acacia sophorae	Coastal Wattle, Acacia	Shrub	0.0	0-0		LMH	N	DM	2	0
Sophora davidii	Sophora	Shrub	2.5	5-8	S	LMH	N	DM	1	0
Sophora flavescens	Ku Shen, Shrubby sophora	Shrub	1.5	5-9	S	LMH	N	M	0	3
Sophora japonica	Japanese Pagoda Tree, Scholar Tree	Tree	20.0	4-7	F	LMH	N	M	2	3	2
Sophora mollis		Shrub	2.0	7-10		LMH	N	DM	1	0
Sophora moorcroftiana		Shrub	1.2	-		LMH	N	M	0	1
Sophora secundiflora	Mescal Bean, Texas Mountain Laurel	Tree	10.0	7-10	S	LMH	N	DM	0	1
Sophora sericea	Silky Sophora	Perennial	0.3	-		LMH	N	DM	3	0
Sophora tonkinensis		Shrub	1.0	-		LMH	SN	M	0	2

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

Expert comment

Author

J.F.Mill.

Botanical References

1144200

Links / References

For a list of references used on this page please go here

Readers comment


Roger Martin	Sat Apr 26 2008

Thank you. Explains why we have just lost ours - planted by the previous householder in the shade of a north wall, here in mid-Bucks. In flower in March, only to be killed by April frost and hail.

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Sophora tetraptera - J.F.Mill.