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Colutea istria - Mill.

Common Name Bladder-senna
Family Fabaceae or Leguminosae
USDA hardiness 6-9
Known Hazards None known
Habitats Hard rock outcrops and wadis in shrub-steppes of Israel.
Range Middle East.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun
Colutea istria Bladder-senna


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Colutea istria Bladder-senna

 

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Summary


Physical Characteristics

 icon of manicon of shrub
Colutea istria is a deciduous Shrub growing to 3 m (9ft 10in).
It is hardy to zone (UK) 7. It is in flower from May to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.
It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) 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. The plant can tolerate maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Hedge;

Edible Uses

None known

References

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

References

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An important new book from PFAF. It focuses on the attributes of plants suitable for food forests, what each can contribute to a food forest ecosystem, including carbon sequestration, and the kinds of foods they yield. The book suggests that community and small-scale food forests can provide a real alternative to intensive industrialised agriculture, and help to combat the many inter-related environmental crises that threaten the very future of life on Earth.

Read More

FOOD FOREST PLANTS

Other Uses

Hedge  Hedge  Soil reclamation

Used in land reclamation projects in the Negev desert, consolidating soil and plant debris from flood waters[200]. Plants can be grown as a hedge[200].

Special Uses

Hedge  Hedge  Nitrogen Fixer

References

Cultivation details

Requires a well-drained soil in full sun[200]. Grows well on dry sunny banks and in poor soils[1, 182]. Dislikes strong winds, though another entry in the same book says that it tolerates salt-laden winds[200]. This species is not very hardy in Britain, tolerating temperatures down to about -5°c[200], but it should succeed outdoors in the milder areas of the country[182]. Even there it is probably best grown on a south or south-west facing wall[200]. According to the International Legume Database, this species may actually be Colutea abyssinica Kunth & Bouch., a species found in N. Africa where it grows in montane grassland and shrubland. Flowers are produced on the current year's growth[200]. 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].

References

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 - pre-soak for 24 hours in hot water and sow late winter in a greenhouse[113]. Scarification can help speed up the germination process[164]. Germination can be slow and erratic[200], though treated seed usually germinates in 1 - 3 months at 20°c[164]. As soon as they are 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, 7 - 10cm with a heel, July/August in a frame[78]. Cuttings are not very long-lived[78].

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 NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Colutea arborescensBladder SennaShrub3.6 4-8 FLMHSNDM024
Colutea x media Shrub3.0 5-9 FLMHSNDM00 

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.

 

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Author

Mill.

Botanical References

200

Links / References

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Subject : Colutea istria  
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