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Amorpha canescens - Pursh.

Common Name Lead Plant
Family Fabaceae or Leguminosae
USDA hardiness Coming soon
Known Hazards None known
Habitats Dry sandy prairies, hills and woodland[43, 200].
Range Eastern N. America - Indiana to Minnesota and Manitoba, south to Kansas and New Mexico.
Edibility Rating    (2 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun
Amorpha canescens Lead Plant


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Amorpha canescens Lead Plant
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Summary


Physical Characteristics

 icon of manicon of shrub
Amorpha canescens is a deciduous Shrub growing to 1.2 m (4ft) by 1.5 m (5ft in).
It is hardy to zone (UK) 2. It is in flower from July to September. The species is hermaphrodite (has both male and female organs).
It can fix Nitrogen.
Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.

Synonyms

Habitats

Woodland Garden Sunny Edge; Cultivated Beds;

Edible Uses

Edible Parts: Oil.
Edible Uses: Oil;  Tea.

An infusion of the dried leaves makes a pleasant tasting yellow-coloured tea[161, 177, 183, 257].

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.

Anthelmintic;  Miscellany;  Salve;  Skin;  Stomachic.

An infusion of the leaves has been used to kill pinworms or any intestinal worms[257]. The infusion is also used to treat eczema, the report does not say it if is used internally or externally[257]. The dried and powdered leaves are applied as a salve to cuts and open wounds[257]. A decoction of the root is used to treat stomach pains[257]. A moxa of the twigs has been used in the treatment of neuralgia and rheumatism[257].

Other Uses

Insecticide;  Miscellany;  Oil;  Repellent;  Shelterbelt;  Soil stabilization.

Plants have an extensive root system, they tolerate poor dry soils and are also wind resistant, they are used as a windbreak and also to prevent soil erosion[200]. Resinous pustules on the plant contain 'amorpha', a contact and stomachic insecticide that also acts as an insect repellent[57, 200].

Cultivation details

Prefers a light well-drained sandy soil in sun or light shade[1, 200]. Tolerant of poor dry soils, plants can be invasive in rich soils[200]. Wind resistant[200]. A very hardy plant, tolerating temperatures down to about -25c[184, 200] but it frequently dies down to ground level in the winter, resprouting from the base in the following spring[182]. A very ornamental plant[1]. A deep rooted plant, it thrives best in hot, droughty seasons[11]. It only ripens its seed in fine autumns[11]. Immune to insect pests, the plant contains its own insecticide[200]. At one time this plant was supposed to indicate the presence of lead in the soil[182]. There is some confusion over the correct author of the Latin name of this plant. It is probably Pursh. as stated on the top of this sheet, but some books cite Nutt. 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].

Propagation

Seed - presoak for 12 hours in warm water and sow early spring in a greenhouse[78, 133]. The seed usually germinates in 1 - 2 months at 20°c[133]. When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out in late spring or early summer, after the last expected frosts. Cuttings of half-ripe wood, June/July in a frame. High percentage[78]. Cuttings of mature wood of the current seasons growth, autumn, in a sheltered position outdoors. Takes 12 months[78]. Suckers in spring just before new growth begins[200]. Layering in spring .

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 NameCommon NameEdibility RatingMedicinal Rating
Amorpha fruticosaFalse Indigo, False indigo bush10
Amorpha nanaDwarf Indigobush, Dwarf false indigo, Dwarf Indigo01
Sasamorpha borealis 10

 

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Pursh.

Botanical References

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Subject : Amorpha canescens  
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