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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  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun

Summary

Colutea istria Bladder-senna


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Colutea istria Bladder-senna
   
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 flowers are hermaphrodite (have both male and female organs) and are 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.

Synonyms

Habitats
Woodland Garden Sunny Edge; Dappled Shade; Hedge;
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
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].
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].
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].

Books by Plants For A Future

Other Names
Found In
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 :
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Expert comment
 
Author
Mill.
Botanical References
200
Links / References
For a list of references used on this page please go here
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Subject : Colutea istria  

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